Maƙallan jagora muhimmin nau'in na'urar sarrafa sigina ne. Aikinsu na asali shine ɗaukar samfurin siginar RF a matakin haɗin da aka ƙayyade, tare da warewar da ke tsakanin tashoshin sigina da tashoshin da aka yi samfurin - wanda ke tallafawa bincike, aunawa da sarrafawa don aikace-aikace da yawa. Tunda su na'urori ne masu wucewa, suna kuma aiki a juyi, tare da allurar sigina a cikin babban hanyar bisa ga alkiblar na'urorin da matakin haɗin gwiwa. Akwai 'yan bambance-bambance a cikin tsarin maƙallan jagora, kamar yadda za mu gani a ƙasa.
Ma'anoni
Mafi kyau, mahaɗin zai kasance ba tare da asara ba, daidaitacce kuma mai jituwa. Babban halayen hanyoyin sadarwa na tashar jiragen ruwa uku da huɗu sune keɓewa, haɗawa da kai tsaye, waɗanda ake amfani da ƙimar su don siffanta mahaɗin. Maɗaukakin mahaɗi mai kyau yana da kai tsaye da keɓewa mara iyaka, tare da abin haɗin da aka zaɓa don aikace-aikacen da aka yi niyya.
Zane-zanen aiki a Hoto na 1 yana nuna aikin mahaɗin jagora, sannan kuma bayanin sigogin aiki masu alaƙa. Zane na sama mahaɗin tashar jiragen ruwa ne mai tashoshi 4, wanda ya haɗa da tashoshin jiragen ruwa da aka haɗa (gaba) da waɗanda aka keɓe (juya baya, ko kuma waɗanda aka nuna). Zane na ƙasa tsarin tashar jiragen ruwa ne mai tashoshi 3, wanda ke kawar da tashar jiragen ruwa da aka keɓe. Ana amfani da wannan a cikin aikace-aikacen da ke buƙatar fitarwa ɗaya kawai ta gaba. Ana iya haɗa mahaɗin tashar jiragen ruwa 3 a cikin hanyar da ta gabata, inda tashar jiragen ruwa da aka haɗa a baya ta zama tashar jiragen ruwa da aka keɓe:
Siffa ta 1: Na asalimahaɗin da ke jagorasaituna
Halayen Aiki:
Ma'aunin Haɗin Kai: Wannan yana nuna ƙashi na ƙarfin shigarwa (a P1) wanda aka kawo zuwa tashar haɗin kai, P3
Kai tsaye: Wannan ma'auni ne na ikon mahaɗin don raba raƙuman ruwa da ke yaɗuwa a cikin alkiblar gaba da ta baya, kamar yadda aka gani a tashoshin da aka haɗa (P3) da waɗanda aka keɓe (P4)
Warewa: Yana nuna ƙarfin da aka kai wa kayan da ba a haɗa ba (P4)
Asarar Shigarwa: Wannan yana lissafin wutar lantarki (P1) da aka kai wa tashar watsawa (P2), wanda wutar lantarki da aka kai wa tashoshin da aka haɗa da waɗanda aka keɓe ke raguwa.
Ƙimar waɗannan halaye a cikin dB sune:
Haɗin kai = C = log 10 (P1/P3)
Daidaito = D = log 10 (P3/P4)
Warewa = I = log 10 (P1/P4)
Asarar Shigarwa = L = log 10 (P1/P2)
Nau'ikan Ma'aurata
Wannan nau'in mahaɗin yana da tashoshin jiragen ruwa guda uku masu sauƙin shiga, kamar yadda aka nuna a Hoto na 2, inda tashar jiragen ruwa ta huɗu ta ƙare a ciki don samar da matsakaicin jagora. Babban aikin mahaɗin hanya shine ɗaukar samfurin siginar da aka ware (baya). Aikace-aikacen da aka saba amfani da shi shine auna ƙarfin da aka nuna (ko a kaikaice, VSWR). Kodayake ana iya haɗa shi a baya, wannan nau'in mahaɗin ba na juna bane. Tunda ɗaya daga cikin tashoshin jiragen ruwa da aka haɗa an ƙare shi a ciki, siginar haɗi ɗaya kawai ake samu. A cikin hanyar gaba (kamar yadda aka nuna), tashar jiragen ruwa da aka haɗa tana ɗaukar raƙuman ruwa da baya, amma idan an haɗa ta a hanyar baya (Shigarwar RF a dama), tashar jiragen ruwa da aka haɗa za ta zama samfurin raƙuman gaba, wanda abin haɗin ya rage ta hanyar abin haɗin. Tare da wannan haɗin, ana iya amfani da na'urar azaman samfurin samfuri don auna sigina, ko don isar da wani ɓangare na siginar fitarwa zuwa da'irar amsawa.
Hoto na 2: Maƙallin Hanya na 50-Ohm
Fa'idodi:
1, Ana iya inganta aiki don hanyar gaba
2, Babban jagora da warewa
3, Daidaiton haɗin yana da tasiri sosai saboda daidaiton impedance da aka bayar ta hanyar ƙarewa a tashar da aka keɓe. Samar da wannan ƙarewa a ciki yana tabbatar da babban aiki.
Rashin amfani:
1. Haɗin kai yana samuwa ne kawai a kan hanyar gaba
2, Babu layin da aka haɗa
3, Matsayin wutar lantarki na tashar da aka haɗa ya yi ƙasa da tashar shigarwa saboda wutar da aka yi amfani da ita a tashar da aka haɗa ta kusan ta ɓace gaba ɗaya a ƙarshen ciki.
Si Chuan Keenlion Microwave babban zaɓi ne na Directional Coupler a cikin narrowband da broadband configurations, wanda ke rufe mitoci daga 0.5 zuwa 50 GHz. An tsara su don ɗaukar wutar lantarki daga watts 10 zuwa 30 a cikin tsarin watsawa na 50-ohm. Ana amfani da ƙirar Microstrip ko stripline, kuma an inganta su don mafi kyawun aiki.
Na'urorin suna zuwa daidaitacce tare da haɗin SMA ko N mata, ko haɗin 2.92mm, 2.40mm, da 1.85mm don abubuwan da ke cikin mita mai yawa.
Haka kuma za mu iya tsara shi yadda ya kamataMa'ajin Hanyabisa ga buƙatunku. Kuna iya shigar da shafin keɓancewa don samar da takamaiman bayanai da kuke buƙata.
Lokacin Saƙo: Agusta-30-2022
