Litaba

A directional couplerke sesebelisoa se sa sebetseng se kopanyang karolo ea matla a phetiso ka bongata bo tsejoang; ho tsoa ka koung e 'ngoe, hangata ho sebelisa likhoele tse peli tsa phepelo tse kopantsoeng ka thata ho lekana hore matla a fete ho e 'ngoe e hokahaneng ho e' ngoe.
Litšobotsi:
A directional couplere tšoauoa ka ntlha ea eona ea ho kopanya, ho itšehla thajana le ho otlolohaHo kopanya ha se kamehla empa ho fapana ho ea ka makhetlo. Leha meralo e fapaneng e ka fokotsa ho se tšoane, khokahano e bataletseng e ke ke ea hahuoa ka mokhoa o hlakileng. Ka mohlala, ho kopanya 10 dB ± 0,5 dB ho bolela horeDirectional couplerse ka ba le 9,5 dB ho 10,5 dB coupling setsing sa frequency band.Ho nepahala ho bakoa ke mamello ea mahlakore a ka hlokomeloa bakeng sa sebaka se pakeng tsa mela e 'meli e kopantsoeng. Clutch e 'ngoe, Tlhaloso ke frequency sensitivity. Boikutlo bo phahameng ba maqhubu bo tla lumella sehlopha se seholoanyane sa ts'ebetso. Likarolo tse 'maloa tsa ho kopanya li-quarter-wavelength li sebelisetsoa ho finyella li-bandwidth tse ngata tsa Directional couplerss. Tloaelehileng Mofuta ona oa li-couplers tsa Directional o etselitsoe sekhahla sa bandwidth le tekanyo e phahameng ea ho kopanya ka har'a lihlopha tsa maqhubu.
Directional couplerke sesebelisoa se sebetsang sa ho lekanya bakeng sa baqapi ba sistimi ea RF. Ha e fane feela ka setšoantšo sa amplitude-scale sa maemo a matla a RF, empa hape e arola likarolo tse ka pele le tse bonts'itsoeng tse thusang ho khetholla mojaro.
Si Chuan Keenlion Microwave khetho e kholo ho litlhophiso tsa narrowband le Broadband, tse koahelang maqhubu ho tloha ho 0.5 ho isa ho 50 GHz. Li etselitsoe ho sebetsana le matla a ho kenya a 10 ho isa ho a 30 ka har'a sistimi ea phetisetso ea 50-ohm. Meralo ea Microstrip kapa stripline e sebelisoa, 'me e ntlafalitsoe bakeng sa ts'ebetso e ntle ka ho fetisisa.
 
Re ka boela ra etsa rfdirectional couplerho latela litlhoko tsa hau. U ka kenya leqephe la ho itlhophisa ho fana ka lintlha tseo u li hlokang.
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