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Funktionsprinzip Richtkoppler. Kopplung Antenne Messgert Interferenz Hochfrequenz Reflektierte Leistung own original text selbst gezeichnet Herbertweidner Herbertweidner de PDrelease Original upload log de Wdwd CommonsHelper de FunktionsprinzipRichtkoppler Herbertweidner bytes no Andere Versionen Directional couplers