• Yekupatsanura chiratidzo kuita zviratidzo zviviri zvine amplitude yakaenzana uye musiyano wechikamu che90° kana 180° usingachinji.
• Yekubatanidza quadrature kana kuita summation/differential combination.
Nhanganyaya
Makouplayer nemahybrids zvishandiso umo mitsetse miviri yekutumira inopfuura pedyo zvakakwana kuti simba ripararire pane imwe tambo kuti ibatane kune imwe tambo. 3dB 90° kana 180° hybrid inopatsanura chiratidzo chekupinda kuita ma amplitude outputs maviri akaenzana. Directional coupler inowanzo patsanura chiratidzo chekupinda kuita ma amplitude outputs maviri asina kuenzana. Izwi iri rekuti "directional coupler", "90° hybrid", uye "180° hybrid" rakavakirwa patsika. Zvisinei, ma hybrids e90° ne180° anogona kufungidzirwa se 3 dB directional couplers. Pasinei nekufanana uku, ma parameter anoshandiswa kutsanangura kufamba kwechiratidzo muma directional couplers uye mashandisirwo acho, mukushandiswa chaiko, akasiyana zvakakwana kuti afunge zvakasiyana.
180° Mahybrids Tsanangudzo Inoshanda
180° hybrid mudziyo une maport mana unodzokororwa unopa masignali maviri akaenzana e amplitude in-phase kana uchiiswa kubva pa sum port (S) uye maviri akaenzana e amplitude 180° out-of-phase masignali kana uchiiswa kubva pa difference port (D). Kusiyana neizvi, masignali anopinzwa mumaports C naD anowedzera pa sum port (B) uye musiyano we masignali maviri uchaonekwa pa difference port (A). Mufananidzo 1 i functional diagram ichashandiswa munyaya ino kumiririra 180° hybrid. Port B inogona kutorwa se sum port uye port A ndiyo difference port. Ports A naB uye ports C naD maports maviri akasiyana.
90° Hybrids kana kuti hybrid couplers chaizvoizvo 3 dB directional couplers umo phase ye coupled output signal ne output signal zviri 90° zvakaparadzana. Sezvo -3 dB ichimiririra hafu yesimba, 3 dB coupler inokamura simba zvakaenzana (mukati meimwe tolerance) pakati pe output ne coupled output ports. Musiyano we 90° phase pakati pe outputs unoita kuti hybrids dzive dzinobatsira mukugadzira electronically variable attenuators, microwave mixers, modulators nezvimwe zvakawanda zve microwave components and systems. Mufananidzo 5 unoratidza circuit diagram ne truth table zvichashandiswa mukutsanangura mashandiro eRF frequency 90° hybrid. Sezvinogona kuonekwa kubva padhayagiramu iyi, chiratidzo chinoshandiswa kune chero input chichaguma nemasignals maviri akaenzana e amplitude ari quadrature, kana 90°, kunze kwe phase. Maports A neB nePorts C neD akaparadzaniswa. Sezvambotaurwa muchikamu che 180° hybrid, RF ne microwave frequency devices zvinoshandisa nzira dzakasiyana dzekuvaka. Kunyangwe mhinduro dzedzidziso dzakafanana, nzvimbo ye port ne convention zvakasiyana. Pazasi, muMufananidzo pane shanduro dze "cross-over" uye "non-crossover" dzinopihwa kuma microwave frequency (500 MHz zvichikwira) uye tafura yechokwadi inobuda. Ma hybrids makumi mapfumbamwe anonziwo ma quadrature hybrids nekuti chikamu chema outputs maviri chakaparadzana ne quadrant (90°). Cherechedzawo kuti hazviite mutsauko kuti ndeipi port iri input port chero bedzi hukama huripo pakati pema ports. Izvi zvinodaro nekuti ma hybrids e 90° ane electrical uye mechanically symmetrical pamusoro pe X ne Y Axes.
Si Chuan Keenlion Microwave ine huwandu hwakawanda hwe3DB hybrid bridge mu narrowband uye broadband configurations, inofukidza ma frequency kubva pa 0.5 kusvika 50 GHz. Yakagadzirwa kuti ikwanise kubata simba rekupinda re10 kusvika 30 watts mu 50-ohm transmission system. Madhizaini eMicrostrip kana stripline anoshandiswa, uye akagadzirwa kuti ashande zvakanaka.
Zvishandiso zvinouya zvakajairwa zvine zvibatiso zvechikadzi zveSMA kana N, kana kuti zvibatiso zve 2.92mm, 2.40mm, uye 1.85mm zvezvikamu zve high frequency.
Tinogonawo kugadzirisa 3DB Hybrid Bridge zvichienderana nezvamunoda. Munogona kupinda papeji rekugadzirisa kuti mupe zvinodiwa zvamunoda.
Nguva yekutumira: Gumiguru-09-2022
