{"id":3232,"date":"2024-12-22T14:59:10","date_gmt":"2024-12-22T13:59:10","guid":{"rendered":"https:\/\/www.dk8pp.de\/blog\/?p=3232"},"modified":"2025-01-10T13:03:00","modified_gmt":"2025-01-10T12:03:00","slug":"messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2","status":"publish","type":"post","link":"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/","title":{"rendered":"Mes\u00adsung des kom\u00adple\u00adxen Refle\u00adxi\u00adons\u00adfak\u00adtors f\u00fcr einen auto\u00adma\u00adti\u00adschen Anten\u00adnen\u00adtu\u00adner \u2013 Teil&nbsp;2"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inhalts\u00adver\u00adzeich\u00adnis<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class><span class=\"eztoc-hide\" style=\"display:none;\">Togg\u00adle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\" \/><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\" \/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#foto_des_poc-boards\">Foto des POC-Boards<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#stromaufnahme\">Strom\u00adauf\u00adnah\u00adme<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#eingangsimpedanz\">Ein\u00adgangs\u00adim\u00adpe\u00addanz<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#logarithmische_verstaerker\">Log\u00adarith\u00admi\u00adsche Verst\u00e4rker<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#komparatoren\">Kom\u00adpa\u00adra\u00adto\u00adren<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#die_analoge_differenzspannung_udiff\">Die ana\u00adlo\u00adge Dif\u00adfe\u00adrenz\u00adspan\u00adnung&nbsp;UDIFF<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#die_digitalen_taktsignale\">Die digi\u00adta\u00adlen Taktsignale<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#niedrige_pegel_der_reflektierten_spannung\">Nied\u00adri\u00adge Pegel der reflek\u00adtier\u00adten Spannung<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#erkenntnisse_und_verbesserungsideen\">Erkennt\u00adnis\u00adse und Verbesserungsideen<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#stromaufnahme-2\">Strom\u00adauf\u00adnah\u00adme<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#eingangsimpedanz-2\">Ein\u00adgangs\u00adim\u00adpe\u00addanz<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#amplitudenmessung\">Ampli\u00adtu\u00adden\u00admes\u00adsung<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#phasendifferenzmessung\">Pha\u00adsen\u00addif\u00adfe\u00adrenz\u00admes\u00adsung<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#ausgangsspannung_des_cplds\">Aus\u00adgangs\u00adspan\u00adnung des&nbsp;CPLDs<\/a><\/li><\/ul><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#messergebnisse\">Me\u00df\u00ader\u00adgeb\u00adnis\u00adse<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#berechnung_des_anpassungsnetzwerks\">Berech\u00adnung des Anpassungsnetzwerks<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/#links\">Links<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Im <a href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/19\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner\/\" target=\"_blank\" rel=\"noreferrer noopener\">ersten Teil<\/a> habe ich die Grund\u00adidee f\u00fcr die\u00adses Refle\u00adxi\u00adons\u00adfak\u00adtor-Me\u00df\u00adge\u00adr\u00e4t beschrie\u00adben und den Schalt\u00adplan f\u00fcr ein Expe\u00adri\u00admen\u00adtal\u00adboard vor\u00adge\u00adstellt. In die\u00adsem zwei\u00adten Teil beschrei\u00adbe ich den prak\u00adti\u00adschen Auf\u00adbau der Lei\u00adter\u00adplat\u00adte und die Ergeb\u00adnis\u00adse der Mes\u00adsun\u00adgen. Die Mes\u00adsun\u00adgen wur\u00adden noch ohne Anten\u00adnen\u00adkopp\u00adler durch\u00adge\u00adf\u00fchrt. Als Signal\u00adquel\u00adle dient ein Sig\u00adlent SDG6022X-Funk\u00adti\u00adons\u00adge\u00adne\u00adra\u00adtor, als Me\u00df\u00adin\u00adstru\u00adment ein Rigol HDO4404 (das inzwi\u00adschen mit offen\u00adsicht\u00adlich glei\u00adchem Funk\u00adti\u00adons\u00adum\u00adfang als Rigol DHO4404 ver\u00adkauft wird). Auch das Micro\u00adcon\u00adtrol\u00adler\u00adboard hat noch kei\u00adne Funk\u00adti\u00adon, au\u00dfer da\u00df es nach dem Ein\u00adschal\u00adten die log\u00adarith\u00admi\u00adschen Ver\u00adst\u00e4r\u00adker und die Kom\u00adpa\u00adra\u00adto\u00adren enabled.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"foto_des_poc-boards\"><\/span>Foto des POC-Boards<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Die\u00adses erste Test\u00adboard ist noch kein Pro\u00adto\u00adtyp f\u00fcr einen Anten\u00adnen\u00adtu\u00adner, son\u00addern ein ein\u00adfa\u00adches Expe\u00adri\u00admen\u00adtal\u00adboard, um zu pr\u00fc\u00adfen, ob die Idee \u00fcber\u00adhaupt funk\u00adtio\u00adniert. Im Eng\u00adli\u00adschen bezeich\u00adnet man das als \u201epro\u00adof-of-con\u00adcept\u201c oder&nbsp;POC.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;galleryId&quot;:&quot;6a596a427c968&quot;}\" data-wp-interactive=\"core\/gallery\" class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a427efd2&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a427efd2\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"708\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3278\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_BS-1024x708.jpg\" alt=\"Koppler-Auswertung, Oberseite\" class=\"wp-image-3278\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_BS-1024x708.jpg 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_BS-300x208.jpg 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_BS-768x531.jpg 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_BS-1536x1063.jpg 1536w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_BS.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Kopp\u00adler-Aus\u00adwer\u00adtung, Oberseite<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a427f694&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a427f694\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"694\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3277\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_LS-1024x694.jpg\" alt=\"Koppler-Auswertung, Unterseite\" class=\"wp-image-3277\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_LS-1024x694.jpg 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_LS-300x203.jpg 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_LS-768x521.jpg 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_LS-1536x1042.jpg 1536w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_LS.jpg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Kopp\u00adler-Aus\u00adwer\u00adtung, Unterseite<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"stromaufnahme\"><\/span>Strom\u00adauf\u00adnah\u00adme<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Die Strom\u00adauf\u00adnah\u00adme liegt ohne Ein\u00adgangs\u00adsi\u00adgna\u00adle bei 95&nbsp;mA und steigt bei 10&nbsp;MHz Takt\u00adsi\u00adgna\u00adlen an bei\u00adden Ein\u00adg\u00e4n\u00adgen auf 101&nbsp;mA.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"eingangsimpedanz\"><\/span>Ein\u00adgangs\u00adim\u00adpe\u00addanz<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Die Ein\u00adgangs\u00adim\u00adpe\u00addan\u00adzen lie\u00adgen bei etwas \u00fcber 50&nbsp;\u03a9 mit leich\u00adtem kapa\u00adzi\u00adti\u00adven Anteil.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;galleryId&quot;:&quot;6a596a42809a2&quot;}\" data-wp-interactive=\"core\/gallery\" class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4280eaa&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4280eaa\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"763\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3271\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_Impedanz_UF-1-1024x763.png\" alt class=\"wp-image-3271\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_Impedanz_UF-1-1024x763.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_Impedanz_UF-1-300x224.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_Impedanz_UF-1-768x572.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_Impedanz_UF-1.png 1131w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Ein\u00adgangs\u00adim\u00adpe\u00addanz&nbsp;UF<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a428140f&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a428140f\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"763\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3272\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_Impedanz_UR-1-1024x763.png\" alt class=\"wp-image-3272\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_Impedanz_UR-1-1024x763.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_Impedanz_UR-1-300x224.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_Impedanz_UR-1-768x572.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_Impedanz_UR-1.png 1131w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Ein\u00adgangs\u00adim\u00adpe\u00addanz&nbsp;UR<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"logarithmische_verstaerker\"><\/span>Log\u00adarith\u00admi\u00adsche Verst\u00e4rker<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Die Aus\u00adgangs\u00adspan\u00adnun\u00adgen LOGUF und LOGUR der log\u00adarith\u00admi\u00adschen Ver\u00adst\u00e4r\u00adker wur\u00adden bei 10&nbsp;MHz und Ein\u00adgangs\u00adpe\u00adgeln zwi\u00adschen \u201170 dBm und +23 dBm gemessen.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4281ef3&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4281ef3\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"921\" height=\"518\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_LogAmp-2.png\" alt=\"Ausgangsspannung der logarithmischen Verst\u00e4rker gegen\u00fcber dem Eingangspegel bei 10 MHz\" class=\"wp-image-3240\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_LogAmp-2.png 921w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_LogAmp-2-300x169.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_LogAmp-2-768x432.png 768w\" sizes=\"auto, (max-width: 921px) 100vw, 921px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Aus\u00adgangs\u00adspan\u00adnung der log\u00adarith\u00admi\u00adschen Ver\u00adst\u00e4r\u00adker gegen\u00ad\u00fcber dem Ein\u00adgangs\u00adpe\u00adgel bei 10&nbsp;MHz<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Beim Ver\u00adgleich mit Daten\u00adblatt\u00adwer\u00adten ist das zus\u00e4tz\u00adli\u00adche 6&nbsp;dB D\u00e4mp\u00adfungs\u00adglied vor den Ein\u00adg\u00e4n\u00adgen zu beach\u00adten. Das ist in der gel\u00adben Kur\u00adve ber\u00fcck\u00adsich\u00adtigt. Der Ver\u00adlauf von LOGUF stimmt sehr gut mit dem Daten\u00adblatt \u00fcber\u00adein, w\u00e4h\u00adrend LOGUR einen um etwa 100&nbsp;mV (=4&nbsp;dB) zu nied\u00adri\u00adgen Wert anzeigt. Unter\u00adhalb von etwa \u201150 dBm fla\u00adchen bei\u00adde Kur\u00adven ab und ihre Me\u00df\u00adwer\u00adte sind nicht mehr direkt verwendbar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ich habe auch die Fre\u00adquenz\u00adab\u00adh\u00e4n\u00adgig\u00adkeit von LOGUF und LOGUR exem\u00adpla\u00adrisch bei 0 dBm unter\u00adsucht. Von 1&nbsp;MHz bis 100&nbsp;MHz \u00e4ndert sich LOGUF zwi\u00adschen 1,98 und 1,84&nbsp;V und LOGUR zwi\u00adschen 1,88 und 1,77&nbsp;V. Bei\u00adde Kan\u00e4\u00adle haben also eine Fre\u00adquenz\u00adab\u00adh\u00e4n\u00adgig\u00adkeit von 110 bis 140&nbsp;mV, die aber bei bei\u00adden Kan\u00e4\u00adlen n\u00e4he\u00adrungs\u00adwei\u00adse gleich ist und sich daher kompensiert.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"komparatoren\"><\/span>Kom\u00adpa\u00adra\u00adto\u00adren<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"die_analoge_differenzspannung_udiff\"><\/span>Die ana\u00adlo\u00adge Dif\u00adfe\u00adrenz\u00adspan\u00adnung&nbsp;UDIFF<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Mes\u00adsung der Dif\u00adfe\u00adrenz\u00adspan\u00adnung UDIFF hin\u00adter dem Tief\u00adpass zeigt das beab\u00adsich\u00adtig\u00adte linea\u00adre Verhalten.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4282735&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4282735\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"910\" height=\"512\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_UDIFF_10MHzUF0dBm_UR0dBm-1.png\" alt=\"Differenzspannung UDIFF hinter dem Tiefpass\" class=\"wp-image-3242\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_UDIFF_10MHzUF0dBm_UR0dBm-1.png 910w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_UDIFF_10MHzUF0dBm_UR0dBm-1-300x169.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_UDIFF_10MHzUF0dBm_UR0dBm-1-768x432.png 768w\" sizes=\"auto, (max-width: 910px) 100vw, 910px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Dif\u00adfe\u00adrenz\u00adspan\u00adnung UDIFF hin\u00adter dem Tiefpass<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">UDIFF ist bei einer Pha\u00adsen\u00adver\u00adschie\u00adbung in einer Rich\u00adtung gleich gro\u00df, wie bei glei\u00adcher Pha\u00adsen\u00adver\u00adschie\u00adbung in die ande\u00adre Rich\u00adtung. Wie bereits im ersten Teil erkl\u00e4rt, wird das Vor\u00adzei\u00adchen der Ver\u00adschie\u00adbung mit dem Signal UR_LD ange\u00adzeigt. Es ist im Test\u00adboard mit LED3 ver\u00adbun\u00adden, die die\u00adse Ver\u00adschie\u00adbung optisch anzeigt. Bei 0\u00b0 und 180\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung kommt es zu Unsi\u00adcher\u00adhei\u00adten bei der Rich\u00adtungs\u00ader\u00adken\u00adnung, gege\u00adbe\u00adnen\u00adfalls auch zu Meta\u00adsta\u00adbi\u00adli\u00adt\u00e4\u00adten, weil CLKUR nicht nach den Regeln der Kunst ein\u00adsyn\u00adchro\u00adni\u00adsiert wur\u00adde. Das macht aber nichts, weil UDIFF in bei\u00adden F\u00e4l\u00adlen gleich ist und der m\u00f6g\u00adli\u00adcher\u00adwei\u00adse falsch errech\u00adne\u00adte Pha\u00adsen\u00adwin\u00adkel nur wenig vom tat\u00ads\u00e4ch\u00adli\u00adchen abweicht.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"die_digitalen_taktsignale\"><\/span>Die digi\u00adta\u00adlen Taktsignale<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die nach\u00adfol\u00adgen\u00adden Oszil\u00adlo\u00adgram\u00adme zei\u00adgen die die digi\u00adta\u00adlen Takt\u00adsi\u00adgna\u00adle CLKUF und CLKUR direkt an den Aus\u00adg\u00e4n\u00adgen der Kom\u00adpa\u00adra\u00adto\u00adren bei Pha\u00adsen\u00adver\u00adschie\u00adbun\u00adgen zwi\u00adschen \u2011180\u00b0 und +180\u00b0. Bei\u00adde Ein\u00adgangs\u00adpe\u00adgel lie\u00adgen bei \u201egesun\u00adden\u201c 0 dBm und die Ein\u00adgangs\u00adfre\u00adquenz betr\u00e4gt 10&nbsp;MHz.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;galleryId&quot;:&quot;6a596a4282b09&quot;}\" data-wp-interactive=\"core\/gallery\" class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4283048&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4283048\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3244\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-135\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"-135\u00b0 Phasenverschiebung zwischen CLKUF und CLKUR. Frequenz=10 MHz, Eingangspegel jeweils 0 dBm.\" class=\"wp-image-3244\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-135\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-135\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-135\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-135\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">-135\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung zwi\u00adschen CLKUF und CLKUR. Frequenz=10&nbsp;MHz, Ein\u00adgangs\u00adpe\u00adgel jeweils 0&nbsp;dBm.<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4283557&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4283557\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3245\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-90\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"-90\u00b0 Phasenverschiebung zwischen CLKUF und CLKUR. Frequenz=10 MHz, Eingangspegel jeweils 0 dBm.\" class=\"wp-image-3245\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-90\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-90\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-90\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-90\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">-90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung zwi\u00adschen CLKUF und CLKUR. Frequenz=10&nbsp;MHz, Ein\u00adgangs\u00adpe\u00adgel jeweils 0&nbsp;dBm.<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4283a8b&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4283a8b\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3246\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-45\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"-45\u00b0 Phasenverschiebung zwischen CLKUF und CLKUR. Frequenz=10 MHz, Eingangspegel jeweils 0 dBm.\" class=\"wp-image-3246\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-45\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-45\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-45\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm-45\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">-45\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung zwi\u00adschen CLKUF und CLKUR. Frequenz=10&nbsp;MHz, Ein\u00adgangs\u00adpe\u00adgel jeweils 0&nbsp;dBm.<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4283fd3&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4283fd3\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"714\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3251\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm0\u00b0Persistmin4-Kanal-1024x714.png\" alt=\"0\u00b0 Phasenverschiebung zwischen CLKUF und CLKUR. Frequenz=10 MHz, Eingangspegel jeweils 0 dBm.\" class=\"wp-image-3251\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm0\u00b0Persistmin4-Kanal-1024x714.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm0\u00b0Persistmin4-Kanal-300x209.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm0\u00b0Persistmin4-Kanal-768x535.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm0\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">0\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung zwi\u00adschen CLKUF und CLKUR. Frequenz=10&nbsp;MHz, Ein\u00adgangs\u00adpe\u00adgel jeweils 0&nbsp;dBm.<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a42846b8&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a42846b8\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"714\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3250\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm45\u00b0Persistmin4-Kanal-1024x714.png\" alt=\"45\u00b0 Phasenverschiebung zwischen CLKUF und CLKUR. Frequenz=10 MHz, Eingangspegel jeweils 0 dBm.\" class=\"wp-image-3250\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm45\u00b0Persistmin4-Kanal-1024x714.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm45\u00b0Persistmin4-Kanal-300x209.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm45\u00b0Persistmin4-Kanal-768x535.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm45\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">45\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung zwi\u00adschen CLKUF und CLKUR. Frequenz=10&nbsp;MHz, Ein\u00adgangs\u00adpe\u00adgel jeweils 0&nbsp;dBm.<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4284c31&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4284c31\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3249\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm90\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"90\u00b0 Phasenverschiebung zwischen CLKUF und CLKUR. Frequenz=10 MHz, Eingangspegel jeweils 0 dBm.\" class=\"wp-image-3249\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm90\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm90\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm90\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm90\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung zwi\u00adschen CLKUF und CLKUR. Frequenz=10&nbsp;MHz, Ein\u00adgangs\u00adpe\u00adgel jeweils 0&nbsp;dBm.<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4285146&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4285146\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3248\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm135\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"135\u00b0 Phasenverschiebung zwischen CLKUF und CLKUR. Frequenz=10 MHz, Eingangspegel jeweils 0 dBm.\" class=\"wp-image-3248\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm135\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm135\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm135\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm135\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">135\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung zwi\u00adschen CLKUF und CLKUR. Frequenz=10&nbsp;MHz, Ein\u00adgangs\u00adpe\u00adgel jeweils 0&nbsp;dBm.<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a428561a&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a428561a\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3247\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm180\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"180\u00b0=-180\u00b0 Phasenverschiebung zwischen CLKUF und CLKUR. Frequenz=10 MHz, Eingangspegel jeweils 0 dBm.\" class=\"wp-image-3247\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm180\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm180\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm180\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm180\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">180\u00b0=-180\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung zwi\u00adschen CLKUF und CLKUR. Frequenz=10&nbsp;MHz, Ein\u00adgangs\u00adpe\u00adgel jeweils 0&nbsp;dBm.<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Au\u00dfer\u00addem wird das erzeug\u00adte PWM Signal ange\u00adzeigt, sowie die ana\u00adlo\u00adge Span\u00adnung UDIFF am Aus\u00adgang des Tiefpasses.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Die deut\u00adli\u00adchen \u00dcber\u00adschwin\u00adger sind auf die schnel\u00adlen Takt\u00adaus\u00adg\u00e4n\u00adge in Ver\u00adbin\u00addung mit den Mas\u00adse\u00adlei\u00adtun\u00adgen der Tast\u00adk\u00f6p\u00adfe zur\u00fcckzuf\u00fchren.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"niedrige_pegel_der_reflektierten_spannung\"><\/span>Nied\u00adri\u00adge Pegel der reflek\u00adtier\u00adten Spannung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die reflek\u00adtier\u00adte Span\u00adnung hat natur\u00adge\u00adm\u00e4\u00df nur bei hohem Steh\u00adwel\u00adlen\u00adver\u00adh\u00e4lt\u00adnis einen hohen Pegel. Je bes\u00adser die Anpas\u00adsung ist, umso gerin\u00adger wird die Span\u00adnung, die man aus\u00adwer\u00adten kann. Die nach\u00adfol\u00adgen\u00adden Mes\u00adsun\u00adgen zei\u00adgen das Ver\u00adhal\u00adten der Pha\u00adsen\u00admes\u00adsung bei sin\u00adken\u00adden Eingangsspannungen.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;galleryId&quot;:&quot;6a596a4285e57&quot;}\" data-wp-interactive=\"core\/gallery\" class=\"wp-block-gallery has-nested-images columns-2 is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4286804&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4286804\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3253\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-10dBm90\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"-10 dBm Eingangspegel, 90\u00b0 Phasenverschiebung. 10 MHz\" class=\"wp-image-3253\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-10dBm90\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-10dBm90\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-10dBm90\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-10dBm90\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">-10 dBm Ein\u00adgangs\u00adpe\u00adgel, 90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung. 10&nbsp;MHz<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4286d02&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4286d02\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3254\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-20dBm90\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"-20 dBm Eingangspegel, 90\u00b0 Phasenverschiebung. 10 MHz\" class=\"wp-image-3254\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-20dBm90\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-20dBm90\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-20dBm90\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-20dBm90\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">-20 dBm Ein\u00adgangs\u00adpe\u00adgel, 90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung. 10&nbsp;MHz<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a42871df&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a42871df\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3255\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-30dBm90\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"-30 dBm Eingangspegel, 90\u00b0 Phasenverschiebung. 10 MHz\" class=\"wp-image-3255\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-30dBm90\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-30dBm90\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-30dBm90\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-30dBm90\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">-30 dBm Ein\u00adgangs\u00adpe\u00adgel, 90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung. 10&nbsp;MHz<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a428771b&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a428771b\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3256\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-35dBm90\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"-35 dBm Eingangspegel, 90\u00b0 Phasenverschiebung. 10 MHz\" class=\"wp-image-3256\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-35dBm90\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-35dBm90\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-35dBm90\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-35dBm90\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">-35 dBm Ein\u00adgangs\u00adpe\u00adgel, 90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung. 10&nbsp;MHz<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4287c52&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4287c52\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3257\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-40dBm90\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"-40 dBm Eingangspegel, 90\u00b0 Phasenverschiebung. 10 MHz\" class=\"wp-image-3257\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-40dBm90\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-40dBm90\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-40dBm90\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-40dBm90\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">-40 dBm Ein\u00adgangs\u00adpe\u00adgel, 90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung. 10&nbsp;MHz<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4288184&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4288184\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3258\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-45dBm90\u00b0Persistmin4-Kanal-1024x643.png\" alt=\"-45 dBm Eingangspegel, 90\u00b0 Phasenverschiebung. 10 MHz\" class=\"wp-image-3258\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-45dBm90\u00b0Persistmin4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-45dBm90\u00b0Persistmin4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-45dBm90\u00b0Persistmin4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-45dBm90\u00b0Persistmin4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">-45 dBm Ein\u00adgangs\u00adpe\u00adgel, 90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung. 10&nbsp;MHz<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Alle Mes\u00adsun\u00adgen wur\u00adden mit 90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung durch\u00adge\u00adf\u00fchrt. Bis unge\u00adf\u00e4hr \u201120 dBm Ein\u00adgangs\u00adpe\u00adgel wird die PWM recht zuver\u00adl\u00e4s\u00adsig gene\u00adriert, beginnt aber dann bereits, asym\u00adme\u00adtrisch zu wer\u00adden. Das liegt dar\u00adan, da\u00df die Ein\u00adgangs\u00adspan\u00adnung bei dem nied\u00adri\u00adgen Pegel (ein zehn\u00adtel der Span\u00adnung bei 0 dBm) erst viel sp\u00e4\u00adter den Umschalt\u00adpunkt erreicht, der von der Ein\u00adgangs\u00adhy\u00adste\u00adre\u00adse des Kom\u00adpa\u00adra\u00adtors bestimmt wird. Gleich\u00adzei\u00adtig wird der Schalt\u00adzeit\u00adpunkt der nega\u00adti\u00adven Flan\u00adke unpr\u00e4\u00adzi\u00adser und beginnt zu \u201eflat\u00adtern\u201c. Bei \u201140 dBm ist das Signal prak\u00adtisch nicht mehr ver\u00adwert\u00adbar und bei \u201145 dBm ist es nicht mehr vorhanden.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">20&nbsp;dB Unter\u00adschied zwi\u00adschen UF und UR ent\u00adspre\u00adchen einem SWR von 1,22. Nach der gro\u00adben Absch\u00e4t\u00adzung im ersten Teil die\u00adses Bei\u00adtrags rei\u00adchen die\u00adse 20&nbsp;dB Unter\u00adschied f\u00fcr eine Genau\u00adig\u00adkeit der Pha\u00adsen\u00admes\u00adsung von 10\u00b0. Das scheint plau\u00adsi\u00adbel und deckt sich unge\u00adf\u00e4hr mit der in der \u201120dBm-Mes\u00adsung beob\u00adach\u00adte\u00adten Phasenverschiebung.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Der Voll\u00adst\u00e4n\u00addig\u00adkeit hal\u00adber kom\u00admen hier noch zwei Mes\u00adsun\u00adgen mit 10 Sekun\u00adden Nachleuchtdauer.<\/p>\n\n\n\n<figure data-wp-context=\"{&quot;galleryId&quot;:&quot;6a596a4288911&quot;}\" data-wp-interactive=\"core\/gallery\" class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-6 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4288ccb&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4288ccb\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3263\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm90\u00b0Persist10s4-Kanal-1024x643.png\" alt=\"0 dBm Eingangspegel, 90\u00b0 Phasenverschiebung. 10 MHz, Persist=10s\" class=\"wp-image-3263\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm90\u00b0Persist10s4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm90\u00b0Persist10s4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm90\u00b0Persist10s4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR0dBm90\u00b0Persist10s4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">0 dBm Ein\u00adgangs\u00adpe\u00adgel, 90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung. 10&nbsp;MHz, Persist=10s<\/figcaption><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a42891b9&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a42891b9\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" data-id=\"3264\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-20dBm90\u00b0Persist10s4-Kanal-1024x643.png\" alt=\"-20 dBm Eingangspegel, 90\u00b0 Phasenverschiebung. 10 MHz, Persist=10s\" class=\"wp-image-3264\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-20dBm90\u00b0Persist10s4-Kanal-1024x643.png 1024w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-20dBm90\u00b0Persist10s4-Kanal-300x188.png 300w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-20dBm90\u00b0Persist10s4-Kanal-768x482.png 768w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241221_KopplerAuswertung_Phase_10MHzCLKUF0dBmCLKUR-20dBm90\u00b0Persist10s4-Kanal.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">-20 dBm Ein\u00adgangs\u00adpe\u00adgel, 90\u00b0 Pha\u00adsen\u00adver\u00adschie\u00adbung. 10&nbsp;MHz, Persist=10s<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Man erkennt hier nicht nur die durch\u00adschnitt\u00adli\u00adche Pha\u00adsen\u00adver\u00adschie\u00adbung son\u00addern auch den Jit\u00adter, also den Bereich in dem sich die Pha\u00adsen\u00adla\u00adge verschiebt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"erkenntnisse_und_verbesserungsideen\"><\/span>Erkennt\u00adnis\u00adse und Verbesserungsideen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"stromaufnahme-2\"><\/span>Strom\u00adauf\u00adnah\u00adme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Strom\u00adauf\u00adnah\u00adme von 100&nbsp;mA ist mir zu hoch. Davon gehen etwa 25&nbsp;mA auf das Kon\u00adto der log\u00adarith\u00admi\u00adschen Ver\u00adst\u00e4r\u00adker und der Kom\u00adpa\u00adra\u00adto\u00adren, wei\u00adte\u00adre 10 oder 15&nbsp;mA wer\u00adden vom CPU-Board und den LEDs ver\u00adbraucht. All das kann bei Nicht\u00adge\u00adbrauch deut\u00adlich redu\u00adziert wer\u00adden. Der wesent\u00adli\u00adche Strom\u00adver\u00adbrauch geht auf das Kon\u00adto des CPLDs, das bereits f\u00fcrs Nichts\u00adtun 60&nbsp;mA zieht. Das soll\u00adte sich im Low-Power Modus auf die H\u00e4lf\u00adte redu\u00adzie\u00adren las\u00adsen, was aber dann als Dau\u00ader\u00adbe\u00adtrieb immer noch viel ist. Schon im ersten Teil hat\u00adte ich ange\u00addeu\u00adtet, die Aus\u00adwahl des CPLDs noch\u00admal zu \u00fcberdenken.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"eingangsimpedanz-2\"><\/span>Ein\u00adgangs\u00adim\u00adpe\u00addanz<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Ein\u00adgangs\u00adim\u00adpe\u00addanz liegt etwas \u00fcber 50&nbsp;\u03a9 und wird bei h\u00f6he\u00adren Fre\u00adquen\u00adzen kapa\u00adzi\u00adtiv. Daher soll\u00adten die Ein\u00adgangs\u00adwi\u00adder\u00adst\u00e4n\u00adde R40 und R41 etwas ver\u00adrin\u00adgert wer\u00adden, etwa auf 53&nbsp;\u03a9. Au\u00dfer\u00addem soll\u00adte man beden\u00adken, da\u00df an die\u00adsen Wider\u00adst\u00e4n\u00adden eine etwas h\u00f6he\u00adre Lei\u00adstung ver\u00adbra\u00adten wer\u00adden k\u00f6nn\u00adte. Wenn man f\u00fcr den Richt\u00adkopp\u00adler 30&nbsp;dB Kop\u00adpel\u00add\u00e4mp\u00adfung annimmt und die hier\u00adzu\u00adlan\u00adde zul\u00e4s\u00adsi\u00adge Sen\u00adde\u00adlei\u00adstung von 750 Watt ansetzt, w\u00e4re man mit 1&nbsp;W auf der siche\u00adren Sei\u00adte. Daher bie\u00adtet es sich an, drei 160-\u03a9-Wider\u00adst\u00e4n\u00adde par\u00adal\u00adlel zu schal\u00adten. Das w\u00e4re bei der 0805-er Bau\u00adgr\u00f6\u00ad\u00dfe gera\u00adde f\u00fcr 990 Watt Dau\u00ader\u00adbe\u00adtrieb aus\u00adrei\u00adchend (Spec beach\u00adten, nicht alle ver\u00adtra\u00adgen 330&nbsp;mW).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"amplitudenmessung\"><\/span>Ampli\u00adtu\u00adden\u00admes\u00adsung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die log\u00adarith\u00admi\u00adschen Ver\u00adst\u00e4r\u00adker funk\u00adtio\u00adnie\u00adren im wesent\u00adli\u00adchen wie spe\u00adzi\u00adfi\u00adziert, aller\u00addings zeigt LOGUR etwa 4 dBm zu wenig an, was etwa 1 dBm mehr ist, als das Daten\u00adblatt zul\u00e4sst. Das l\u00e4sst sich \u00fcber einen Trim\u00admer am INT-Ein\u00adgang kor\u00adri\u00adgie\u00adren, aller\u00addings nur bis +\/-3dB. Ver\u00admut\u00adlich ist eine Unsau\u00adber\u00adkeit im Test\u00adboard f\u00fcr den Feh\u00adler ver\u00adant\u00adwort\u00adlich. Dem wer\u00adde ich jetzt nicht nach\u00adge\u00adhen. Ich wer\u00adde eine Kor\u00adrek\u00adtur in der Soft\u00adware f\u00fcr sol\u00adche gerin\u00adgen Abwei\u00adchun\u00adgen vorsehen.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"phasendifferenzmessung\"><\/span>Pha\u00adsen\u00addif\u00adfe\u00adrenz\u00admes\u00adsung<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Die Mes\u00adsung der Pha\u00adsen\u00addif\u00adfe\u00adrenz funk\u00adtio\u00adniert wie erwar\u00adtet. Das Signal UR_LD wird aller\u00addings mit der CLKUF getak\u00adtet und ist damit f\u00fcr die Port\u00adpins eines Micro\u00adcon\u00adtrol\u00adlers zu schnell. Ich erwar\u00adte in der Pra\u00adxis kei\u00adne Pro\u00adble\u00adme, weil es ja nur in der N\u00e4he der Umschalt\u00adpunk\u00adte flat\u00adtert, aber es ist unsch\u00f6n. Ich erw\u00e4\u00adge, bei einem Rede\u00adsign zwei Tief\u00adp\u00e4s\u00adse vor\u00adzu\u00adse\u00adhen, einen f\u00fcr posi\u00adti\u00adve und den ande\u00adren f\u00fcr nega\u00adti\u00adve Pha\u00adsen\u00adver\u00adschie\u00adbun\u00adgen. Dann wer\u00adden zwei Ana\u00adlog\u00adein\u00adg\u00e4n\u00adge ben\u00f6\u00adtigt und \u00fcber einen Pegel\u00adver\u00adgleich erkennt man die Rich\u00adtung der Phasenverschiebung.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ausgangsspannung_des_cplds\"><\/span>Aus\u00adgangs\u00adspan\u00adnung des&nbsp;CPLDs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Beim genau\u00aden betrach\u00adten des Oszil\u00adlo\u00adgram\u00adme f\u00e4llt auf, da\u00df das CPLD an sei\u00adnen Aus\u00adg\u00e4n\u00adgen besten\u00adfalls 4&nbsp;V erreicht, statt der erwar\u00adte\u00adten 5&nbsp;V, mit denen es betrie\u00adben wird. Zur Erkl\u00e4\u00adrung hilft ein Blick ins Datenblatt:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a596a4289d44&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a596a4289d44\" class=\"aligncenter size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"412\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/image.png\" alt class=\"wp-image-3274\" srcset=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/image.png 525w, https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/image-300x235.png 300w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\"><button class=\"lightbox-trigger\" type=\"button\" aria-haspopup=\"dialog\" data-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\" data-wp-init=\"callbacks.initTriggerButton\" data-wp-on--click=\"actions.showLightbox\" data-wp-style--right=\"state.thisImage.buttonRight\" data-wp-style--top=\"state.thisImage.buttonTop\">\n\t\t\t<svg width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Offen\u00adsicht\u00adlich sind als high-side-Schal\u00adter N\u2011MOS-Tran\u00adsi\u00adsto\u00adren ver\u00adbaut, wodurch die Aus\u00adgangs\u00adspan\u00adnung immer um deren Schwell\u00adspan\u00adnung unter\u00adhalb der Ver\u00adsor\u00adgungs\u00adspan\u00adnung liegt. Auf die\u00adsem Test\u00adboard f\u00fchrt das dazu, da\u00df die LED3 etwas dunk\u00adler leuch\u00adtet, als erwar\u00adtet und da\u00df die Span\u00adnung UDIFF am Aus\u00adgang des Tief\u00adpas\u00adses etwas gerin\u00adger ist, als errech\u00adnet. F\u00fcr alle ande\u00adren Zwecke reicht der Pegel v\u00f6l\u00adlig aus. W\u00e4re das nicht der Fall, k\u00f6nn\u00adte man pull-up-Wider\u00adst\u00e4n\u00adde oder zus\u00e4tz\u00adli\u00adche Trei\u00adber vor\u00adse\u00adhen. Die LED w\u00fcr\u00adde ich gegen GND schal\u00adten, statt gegen&nbsp;VDD.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"messergebnisse\"><\/span>Me\u00df\u00ader\u00adgeb\u00adnis\u00adse<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hier ist das Libre\u00adof\u00adfice Calc-Spreadsheet mit den Me\u00dfergebnissen:<\/p>\n\n\n\n<div class=\"wp-block-file aligncenter\"><a id=\"wp-block-file--media-31bd9af1-1998-49cf-81c3-8f7c82810845\" href=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_Messungen.7z\">Kopp\u00adler\u00adAus\u00adwer\u00adtung \u2013 Me\u00df\u00ader\u00adgeb\u00adnis\u00adse<\/a><a href=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20241222_KopplerAuswertung_Messungen.7z\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-31bd9af1-1998-49cf-81c3-8f7c82810845\">Her\u00adun\u00adter\u00adla\u00adden<\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"berechnung_des_anpassungsnetzwerks\"><\/span>Berech\u00adnung des Anpassungsnetzwerks<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Wie man aus den hier gewon\u00adne\u00adnen Me\u00df\u00ader\u00adgeb\u00adnis\u00adsen das ben\u00f6\u00adtig\u00adte Anpas\u00adsungs\u00adnetz\u00adwerk berech\u00adnet, habe ich bereits im Bei\u00adtrag \u201e<a href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/06\/11\/antennenanpassung-mit-libreoffice\/\" target=\"_blank\" rel=\"noreferrer noopener\">Anten\u00adnen\u00adan\u00adpas\u00adsung mit Libre\u00adOf\u00adfice<\/a>\u201c erl\u00e4u\u00adtert. Das dort vor\u00adge\u00adstell\u00adte Spreadsheet habe ich zu die\u00adsem Zweck etwas angepasst:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Update 08.01.2025: neu\u00ades Spreadsheet, das vor\u00adhe\u00adri\u00adge hat\u00adte ein paar klei\u00adne Fehler.<\/p>\n\n\n\n<div class=\"wp-block-file aligncenter\"><a id=\"wp-block-file--media-9279fa30-6a6d-4fe3-a604-3bdd71c601e6\" href=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20250108_Anpassung_berechnen.7z\">Anpas\u00adsung berech\u00adnen<\/a><a href=\"https:\/\/www.dk8pp.de\/blog\/wp-content\/uploads\/2024\/12\/20250108_Anpassung_berechnen.7z\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-9279fa30-6a6d-4fe3-a604-3bdd71c601e6\">Her\u00adun\u00adter\u00adla\u00adden<\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Man kann jetzt in den Zei\u00adlen 3 bis 7 direkt die gemes\u00adse\u00adnen Wer\u00adte in MHz und in Volt ein\u00adge\u00adben. Es fol\u00adgen Umrech\u00adnungs\u00adfak\u00adto\u00adren in den Zei\u00adlen 10 bis 13, die aus dem Daten\u00adblatt, aus Berech\u00adnun\u00adgen oder aus Kali\u00adbrier\u00admes\u00adsun\u00adgen gewon\u00adnen wer\u00adden. In den Zei\u00adlen 15 bis 20 wer\u00adden die Me\u00df\u00adwer\u00adte in die nach\u00adfol\u00adgend ben\u00f6\u00adtig\u00adten Para\u00adme\u00adter umgerechnet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zei\u00adle 27 zeigt den errech\u00adne\u00adten kom\u00adple\u00adxen Refle\u00adxi\u00adons\u00adfak\u00adtor Gam\u00adma. In Zei\u00adle 29 wird aus <span style=\"text-decoration: underline;\">\u0393<\/span> und <span style=\"text-decoration: underline;\">Z<\/span><sub>0<\/sub> die Impe\u00addanz der Last errech\u00adnet, danach der kom\u00adple\u00adxe Leit\u00adwert und die Kreis\u00adfre\u00adquenz. In den Zei\u00adlen 33 bis 41 wird mit\u00adhil\u00adfe der Kreis\u00adfre\u00adquenz der induk\u00adti\u00adve bzw. kapa\u00adzi\u00adti\u00adve Anteil der Last berech\u00adnet und zwar ein\u00admal f\u00fcr Seri\u00adell\u00adschal\u00adtung und ein\u00admal f\u00fcr Par\u00adal\u00adlel\u00adschal\u00adtung der ein\u00adzel\u00adnen Ele\u00admen\u00adte. Das ist rein infor\u00adma\u00adtiv, hilft aber bei der Kon\u00adtrol\u00adle der Rech\u00adnung mit SimS\u00admith. Die ver\u00adblei\u00adben\u00adden Zei\u00adlen berech\u00adnen das n\u00f6ti\u00adge Anpas\u00adsungs\u00adnetz\u00adwerk in LC- und CL-Topo\u00adlo\u00adgie. Nur eines davon lie\u00adfert eine rea\u00adli\u00adsier\u00adba\u00adre L\u00f6sung.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"links\"><\/span>Links<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/19\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mes\u00adsung des kom\u00adple\u00adxen Refle\u00adxi\u00adons\u00adfak\u00adtors f\u00fcr einen auto\u00adma\u00adti\u00adschen Anten\u00adnen\u00adtu\u00adner, Teil&nbsp;1<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2025\/01\/10\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-teil-3\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mes\u00adsung des kom\u00adple\u00adxen Refle\u00adxi\u00adons\u00adfak\u00adtors f\u00fcr einen auto\u00adma\u00adti\u00adschen Anten\u00adnen\u00adtu\u00adner, Teil&nbsp;3<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Im ersten Teil habe ich die Grund\u00adidee f\u00fcr die\u00adses Refle\u00adxi\u00adon\u00ads\u00ad\u00adfak\u00adtor-Me\u00df\u00ad\u00ad\u00adge\u00adr\u00e4t beschrie\u00adben und den Schalt\u00adplan f\u00fcr ein Expe\u00adri\u00admen\u00adtal\u00adboard vor\u00adge\u00adstellt. In die\u00adsem zwei\u00adten Teil beschrei\u00adbe ich den prak\u00adti\u00adschen Auf\u00adbau der Lei\u00adter\u00adplat\u00adte und die Ergeb\u00adnis\u00adse der Mes\u00adsun\u00adgen. Die Mes\u00adsun\u00adgen wur\u00adden noch ohne Anten\u00adnen\u00adkopp\u00adler durch\u00adge\u00adf\u00fchrt. Als Signal\u00adquel\u00adle dient ein Sig\u00adlent SDG6022X-Fun\u00adk\u00adti\u00adon\u00ads\u00ad\u00adge\u00ad\u00adne\u00adra\u00adtor, als Me\u00df\u00adin\u00adstru\u00adment ein Rigol HDO4404 (das inzwi\u00adschen mit \u2026 <a href=\"https:\/\/www.dk8pp.de\/blog\/blog\/2024\/12\/22\/messung-des-komplexen-reflexionsfaktors-fuer-einen-automatischen-antennentuner-2\/\" class=\"more-link\"><span class=\"screen-reader-text\">Mes\u00adsung des kom\u00adple\u00adxen Refle\u00adxi\u00adons\u00adfak\u00adtors f\u00fcr einen auto\u00adma\u00adti\u00adschen Anten\u00adnen\u00adtu\u00adner \u2013 Teil&nbsp;2<\/span> weiterlesen<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"wp_typography_post_enhancements_disabled":false,"footnotes":""},"categories":[2],"tags":[311,37,43,107,109,309,313,310,292,270,245,312],"class_list":["post-3232","post","type-post","status-publish","format-standard","hentry","category-hf-technikamateurfunk","tag-ad8307a","tag-antennenanpassung","tag-antennentuner","tag-atmega644","tag-cpld","tag-funktionsgenerator","tag-komparator","tag-logarithmischer-verstaerker","tag-phasenmessung","tag-reflexionsfaktor","tag-stehwellenverhaeltnis","tag-tlv3501"],"_links":{"self":[{"href":"https:\/\/www.dk8pp.de\/blog\/wp-json\/wp\/v2\/posts\/3232","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dk8pp.de\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dk8pp.de\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dk8pp.de\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dk8pp.de\/blog\/wp-json\/wp\/v2\/comments?post=3232"}],"version-history":[{"count":26,"href":"https:\/\/www.dk8pp.de\/blog\/wp-json\/wp\/v2\/posts\/3232\/revisions"}],"predecessor-version":[{"id":3355,"href":"https:\/\/www.dk8pp.de\/blog\/wp-json\/wp\/v2\/posts\/3232\/revisions\/3355"}],"wp:attachment":[{"href":"https:\/\/www.dk8pp.de\/blog\/wp-json\/wp\/v2\/media?parent=3232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dk8pp.de\/blog\/wp-json\/wp\/v2\/categories?post=3232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dk8pp.de\/blog\/wp-json\/wp\/v2\/tags?post=3232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}