Ma'auratan kai tsaye muhimmin nau'in na'urar sarrafa sigina ne. Babban aikin su shine samfurin siginonin RF a ƙayyadaddun matakin haɗaɗɗiya, tare da babban keɓance tsakanin tashoshin siginar da tashar jiragen ruwa samfurin - wanda ke goyan bayan bincike, aunawa da sarrafawa don aikace-aikace da yawa. Tun da su na'urori ne masu wucewa, su ma suna aiki ta hanyar baya, tare da allurar sigina a cikin babbar hanya bisa ga jagorar na'urorin da matakin haɗin gwiwa. Akwai 'yan bambance-bambance a cikin daidaitawar ma'auratan jagora, kamar yadda za mu gani a ƙasa.
Ma'anoni
Mahimmanci, ma'aurata za su kasance marasa asara, daidaitawa kuma suna da juna. Abubuwan asali na hanyoyin sadarwa na tashar jiragen ruwa uku da hudu sune keɓancewa, haɗin kai da kai tsaye, waɗanda ake amfani da ƙimar su don siffanta ma'aurata. Kyakkyawan ma'aurata yana da kai tsaye mara iyaka da keɓewa, tare da abin haɗawa da aka zaɓa don aikace-aikacen da aka yi niyya.
Zane-zane na aiki a cikin hoto na 1 yana kwatanta aikin ma'aikacin jagora, sannan bayanin ma'auni na ayyuka masu alaƙa. Babban zane shine mai haɗin tashar jiragen ruwa 4, wanda ya haɗa da duka biyun (na gaba) da keɓaɓɓen tashar jiragen ruwa (a baya, ko nunawa). Ƙananan zane shine tsarin tashar jiragen ruwa 3, wanda ke kawar da keɓaɓɓen tashar jiragen ruwa. Ana amfani da wannan a aikace-aikace waɗanda ke buƙatar fitowar gaba guda ɗaya kawai. Ana iya haɗa ma'amalar tashar jiragen ruwa 3 ta hanyar juyawa, inda tashar da aka haɗa a da ta zama keɓaɓɓen tashar jiragen ruwa:
Hoto 1: Na asalihanya ma'auratadaidaitawa
Halayen ayyuka:
Factor Coupling: Wannan yana nuna juzu'in ikon shigarwa (a P1) wanda aka kai zuwa tashar jiragen ruwa guda biyu, P3
Jagoranci: Wannan ma'auni ne na ikon ma'auratan don raba raƙuman ruwa da ke yaɗuwa gaba da juyawa, kamar yadda aka gani a mashigai (P3) da keɓaɓɓen (P4).
Warewa: Yana Nuna ikon da aka bayar zuwa nauyin da ba a haɗa shi ba (P4)
Asarar Sakawa: Wannan lissafin ikon shigar da bayanai (P1) zuwa tashar da aka watsa (P2), wanda aka rage ta ikon da ake bayarwa zuwa mashigai da keɓaɓɓu.
Ƙimar waɗannan halaye a cikin dB sune:
Haɗin kai = C = 10 log (P1/P3)
Jagoranci = D = 10 log (P3/P4)
Warewa = I = 10 log (P1/P4)
Asarar Shigar = L = 10 log (P1/P2)
Nau'in Ma'aurata
Irin wannan nau'in ma'aurata yana da tashoshin jiragen ruwa guda uku masu isa, kamar yadda aka nuna a cikin siffa 2, inda tashar jiragen ruwa ta hudu ta ƙare a ciki don samar da iyakar kai tsaye. Asalin aikin mahaɗar kwatance shine samfurin siginar keɓe (a baya). Aikace-aikace na yau da kullun shine auna ƙarfin haske (ko a kaikaice, VSWR). Ko da yake ana iya haɗa shi a baya, irin wannan nau'in ma'aurata ba su da ma'ana. Tunda ɗaya daga cikin tashoshin jiragen ruwa guda biyu ya ƙare a ciki, sigina guda ɗaya kawai yana samuwa. A cikin jagorar gaba (kamar yadda aka nuna), tashar tashar jiragen ruwa guda biyu suna yin samfurin juzu'in juyawa, amma idan an haɗa su ta hanyar juyawa (Input RF a dama), tashar tashar da aka haɗe zata zama samfurin igiyar gaba, rage ta hanyar haɗin haɗin gwiwa. Tare da wannan haɗin, ana iya amfani da na'urar azaman abin ƙira don auna sigina, ko don isar da wani yanki na siginar fitarwa zuwa da'irar amsawa.
Hoto 2: 50-Ohm Jagoran Coupler
Amfani:
1. Performance za a iya inganta domin gaba hanya
2. High directivity da kadaici
3. Directivity na ma'aurata yana da tasiri sosai ta hanyar impedance wasan da aka bayar ta hanyar ƙarewa a keɓaɓɓen tashar jiragen ruwa. Furnishing cewa ƙarewa a ciki yana tabbatar da babban aiki
Rashin hasara:
1. Haɗin kai yana samuwa ne kawai akan hanyar gaba
2.Babu layi daya
3. The guda biyu tashar wutar lantarki rating ne kasa da shigar da tashar jiragen ruwa saboda ikon amfani da guda biyu tashar ne kusan gaba ɗaya dissipated a ciki ƙarshe.
Si Chuan Keenlion Microwave babban zaɓi na Coupler Directional a cikin kunkuntar bandeji da saitunan watsa shirye-shirye, yana rufe mitoci daga 0.5 zuwa 50 GHz. An ƙera su don sarrafa daga 10 zuwa 30 watts ikon shigar da wutar lantarki a cikin tsarin watsawa na 50-ohm. Ana amfani da ƙirar microstrip ko tsiri, kuma an inganta su don mafi kyawun aiki.
Raka'a sun zo daidai da masu haɗin SMA ko N mata, ko 2.92mm, 2.40mm, da 1.85mm masu haɗawa don manyan abubuwan haɗin mitoci.
Za mu iya kuma siffanta daMa'auratan Jagorancibisa ga bukatun ku. Kuna iya shigar da shafin keɓancewa don samar da ƙayyadaddun bayanai da kuke buƙata.
Lokacin aikawa: Agusta-30-2022
