A cikin da'irar RF da microwave, masu zagayawa da masu keɓewa sune na'urori masu mahimmanci guda biyu waɗanda ake amfani da su ko'ina saboda ayyukansu da aikace-aikace na musamman. Fahimtar halayen su, ayyuka da yanayin aikace-aikacen zai taimaka wa injiniyoyi su zaɓi mafita masu dacewa a cikin ainihin ƙira, don haka inganta tsarin aiki da aminci.
1. Circulator: Jagoran jagora na sigina
1. Menene madauwari?
Na'urar kewayawa na'urar da ba ta jujjuyawa ba wacce yawanci ke amfani da kayan ferrite da filin maganadisu na waje don cimma isar da sigina ba tare da kai tsaye ba. Yawanci yana da tashoshin jiragen ruwa guda uku, kuma ana iya watsa sigina tsakanin tashoshin jiragen ruwa a madaidaiciyar hanya. Alal misali, daga tashar jiragen ruwa 1 zuwa tashar jiragen ruwa 2, daga tashar jiragen ruwa 2 zuwa tashar jiragen ruwa 3, kuma daga tashar jiragen ruwa 3 zuwa tashar jiragen ruwa 1.
2. Babban ayyuka na circulator
Rarraba sigina da haɗawa: rarraba siginar shigarwa zuwa tashoshin fitarwa daban-daban a madaidaiciyar hanya, ko haɗa sigina daga tashoshin jiragen ruwa da yawa zuwa tashar jiragen ruwa ɗaya.
Watsawa da karɓar keɓewa: ana amfani da shi azaman duplexer don cimma keɓewar watsawa da karɓar sigina a cikin eriya ɗaya.
3. Halayen masu zazzagewa
Rashin daidaituwa: Ana iya watsa sigina a hanya ɗaya kawai, guje wa tsoma baki a baya.
Asarar ƙaramar shigarwa: ƙarancin wutar lantarki yayin watsa sigina, musamman dacewa da aikace-aikacen mitoci masu girma.
Tallafi mai faɗi: na iya rufe kewayon mitar mitoci mai faɗi daga MHz zuwa GHz.
4. Aikace-aikace na al'ada na masu rarrabawa
Tsarin radar: keɓe mai watsawa daga mai karɓa don hana siginar watsawa mai ƙarfi daga lalata na'urar karɓa.
Tsarin sadarwa: ana amfani da shi don rarraba sigina da kuma sauya tsarin antenna da yawa.
Tsarin eriya: yana goyan bayan keɓewar sigina da aka karɓa don haɓaka kwanciyar hankali na tsarin.
II. Mai warewa: shingen kariyar sigina
1. Menene keɓancewa?
Isolators nau'i ne na musamman na masu zagayawa, yawanci tare da tashar jiragen ruwa biyu kawai. Babban aikinsa shine murkushe tunanin sigina da koma baya, yana kare kayan aiki masu mahimmanci daga tsangwama.
2. Babban ayyuka na masu isolators
Keɓewar sigina: Hana sigina da ke fitowa daga komawa zuwa na'urori na gaba-gaba (kamar masu watsawa ko na'urori masu ƙarfi) don guje wa zafi mai zafi ko lalata kayan aikin.
Kariyar tsarin: a cikin hadaddun da'irori, masu keɓewa na iya hana tsangwama tsakanin samfuran da ke kusa da haɓaka amincin tsarin.
3. Halayen masu keɓancewa
Watsawa ɗaya kai tsaye: siginar za a iya watsa shi kawai daga ƙarshen shigarwa zuwa ƙarshen fitarwa, kuma ana murƙushe siginar baya ko ɗauka.
Babban keɓewa: yana ba da tasiri mai girman gaske akan sigina masu haske, yawanci har zuwa 20dB ko fiye.
Asarar ƙaramar shigarwa: yana tabbatar da cewa asarar wuta yayin watsa siginar al'ada ta yi ƙasa sosai gwargwadon yiwuwa.
4. Na al'ada aikace-aikace na isolators
Kariyar amplifier RF: hana bayyanar sigina daga haifar da rashin kwanciyar hankali ko ma lalacewa ga amplifier.
Tsarin sadarwar mara waya: keɓe tsarin RF a cikin tsarin eriya ta tushe.
Kayan aikin gwaji: kawar da alamun da aka nuna a cikin kayan aunawa don inganta daidaiton gwaji.
III. Yadda za a zabi na'urar da ta dace?
Lokacin zayyana da'irori na RF ko microwave, zaɓin madauwari ko mai keɓewa ya kamata a dogara da takamaiman buƙatun aikace-aikacen:
Idan kana buƙatar rarraba ko haɗa sigina tsakanin mashigai da yawa, an fi son masu zazzagewa.
Idan babban manufar shine don kare na'urar ko rage tsangwama daga sigina masu haske, masu keɓancewa shine mafi kyawun zaɓi.
Bugu da ƙari, kewayon mitar, asarar shigarwa, keɓewa da girman buƙatun na'urar dole ne a yi la'akari da su gabaɗaya don tabbatar da cewa an cika alamun aikin takamaiman tsarin.
IV. Abubuwan Ci gaba na gaba
Tare da haɓaka fasahar sadarwar mara waya, buƙatar ƙarami da babban aikin RF da na'urorin microwave na ci gaba da ƙaruwa. Masu kewayawa da masu keɓancewa suma suna haɓakawa a hankali ta hanyoyi masu zuwa:
Taimakon mitar mafi girma: goyan bayan igiyoyin igiyar igiyar milimita (kamar 5G da radar kalaman millimeter).
Haɗin ƙira: haɗe tare da wasu na'urorin RF (kamar masu tacewa da masu rarraba wuta) don haɓaka aikin tsarin.
Ƙananan farashi da ƙaranci: yi amfani da sababbin kayan aiki da tsarin masana'antu don rage farashi da daidaitawa da bukatun kayan aiki na ƙarshe.
Lokacin aikawa: Nuwamba-20-2024
