Dual direction hybrid coupler series
Siffar samfurin
● Babban jagora.
● Kyakkyawar kwanciyar hankali.
● Ƙananan girma.
● Hasken nauyi da babban iko.
Takaitaccen gabatarwa
Directional coupler wani nau'i ne na na'urar microwave da ake amfani da ita sosai a cikin tsarin microwave.Mahimmancinsa shine rarraba ikon siginar microwave a wani yanki na musamman.
Ma'auratan kai tsaye sun ƙunshi layin watsawa.Layukan coaxial, jagororin raƙuman raƙuman raƙuman ruwa na rectangular, madauwari ta waveguides, layukan tsiri da layin microstrip na iya zama ma'auratan jagora.Sabili da haka, daga yanayin tsari, ma'aurata masu jagoranci suna da nau'i mai yawa da bambance-bambance masu yawa.Sai dai kuma ta fuskar tsarin hada-hadar sa, ana iya raba shi zuwa nau’i hudu, wato, hada-hadar pinhole, hade-hade mai kama da juna, hada-hadar hada-hada da madaidaicin T.
A directional coupler wani sashe ne da ke sanya layin sadarwa guda biyu kusa da juna ta yadda wutar da ke kan layi daya za a iya hada su da wutar da ke daya.Girman siginar tashoshin fitarwa guda biyu na iya zama daidai ko rashin daidaituwa.Ma'auratan da ake amfani da su sosai shine 3dB coupler, kuma girman siginar fitarwa na tashoshin fitarwa guda biyu daidai yake.
Ma'auratan kai tsaye ɓangarorin haɗin wutar lantarki (rabawa).Bangaren tashar jiragen ruwa ne guda hudu, yawanci yana kunshe da layin watsawa guda biyu da ake kira straight line (babban layi) da layin hada-hada (layi na biyu).Sashe (ko duka) na ikon madaidaiciyar layi yana haɗe zuwa layin haɗin kai ta hanyar wani nau'in haɗin gwiwa (kamar ramummuka, ramuka, sassan layi, da sauransu) tsakanin madaidaiciyar layi da layin haɗin kai, kuma ikon shine. ana buƙatar aikawa zuwa tashar fitarwa ɗaya kawai a cikin layin haɗin gwiwa, yayin da ɗayan tashar ba ta da wutar lantarki.Idan hanyar yaɗa igiyar ruwa a madaidaiciyar layi ta zama akasin asalin alkibla, tashar fitarwar wutar lantarki da tashar da ba ta da wutar lantarki a cikin layin haɗin kai su ma za su canza daidai, wato, haɗin wutar lantarki (rarrabawa) shi ne shugabanci, don haka shi ne. mai suna directional coupler (directional coupler).
A matsayin muhimmin ɓangare na da'irori na microwave da yawa, ana amfani da ma'auratan jagora a cikin tsarin lantarki na zamani.Ana iya amfani da shi don samar da ikon samfurin don ramuwa na zafin jiki da da'irar sarrafa amplitude, kuma yana iya kammala rarraba wutar lantarki da haɗawa a cikin kewayon mitar mai fadi;A cikin madaidaicin amplifier, yana da taimako don samun ingantacciyar shigarwa da ƙimar ƙarfin wutar lantarki (VSWR);A cikin madaidaicin mahaɗin mahaɗa da kayan aikin microwave (misali, mai nazarin cibiyar sadarwa), ana iya amfani da shi don samfurin abin da ya faru da sigina masu nunawa;A cikin sadarwar wayar hannu, amfani.
90 ° gada ma'aurata na iya tantance kuskuren lokaci na π/4 mai watsa maɓalli na motsi (QPSK).Ma'auratan sun dace da ƙayyadaddun ƙayyadaddun ƙayyadaddun abubuwa a duk tashoshin jiragen ruwa guda huɗu, wanda ke sauƙaƙa sanyawa cikin wasu da'irori ko tsarin ƙasa.Ta hanyar amfani da tsarin haɗin kai daban-daban, matsakaicin haɗin gwiwa da hanyoyin haɗin gwiwa, ana iya ƙirƙira ma'auratan jagora waɗanda suka dace da buƙatu daban-daban na tsarin microwave daban-daban.