A taƙaice kwatanta sigogin aiki na masu ware RF

A cikin tsarin RF, babban aikinRF isolatorsshine samarwa ko haɓaka damar keɓewa don hanyoyin sigina daban-daban. Yana da ingantacciyar madauwari wanda aka ƙare ta hanyar madaidaicin madaidaicin a ɗaya daga cikin tashar jiragen ruwa. Yawancin lokaci ana amfani da shi a cikin tsarin radar don kare da'irori masu mahimmanci a ƙarshen karɓa don guje wa tsangwama daga sigina masu ƙarfi, don haka samun ingantacciyar keɓewar sigina da aka karɓa. Wannan labarin zai kai ku don fahimtar ainihin sigogin aikinRF isolators.

一. Ma'anarsa
RF isolatorssu ne ainihin nau'i na musamman naRF circulators, wanda a cikinsa ɗaya tashar jiragen ruwa (yawanci madaidaicin hanyar ƙarshen siginar siginar) an ƙare ta hanyar nauyin da ya dace don cimma watsa sigina na unidirectional. Yana ba da damar sigina kawai don wucewa ta hanyar da aka ƙaddara yayin da yake danne tunani, amo ko siginar tsangwama daga alkiblar baya, ta haka ne ke samun ingantaccen keɓewar hanyar haɗin da ta gabata.

RF isolators or masu zagayawayawanci na'urorin ferrite ne masu wucewa waɗanda ke jagorantar raƙuman ruwa na lantarki daga ƙarshen shigarwar a cikin takamaiman jagora ta takamaiman yanayin filin maganadisu da fitarwa a tashar da ke kusa.

Idan aka kwatanta da masu keɓancewa waɗanda aka gyara daga na al'adaRF circulators, na'urorin da aka ƙera musamman don dalilai na keɓewa yawanci sun fi ƙanƙanta da sauƙin haɗawa. Ayyukan keɓewar sa yana tasiri kai tsaye ta ingancin daidaitawar tasha.

Babban mitar mai keɓewa, Warewa (12-14dB), 18 zuwa 40GHz

二. Siffofin ayyuka
Mabuɗin aikin nuni naRF isolatorssun hada da:

Kewayon mitar (Hz)

Impedance (Ω)

Asarar shigar (dB)

Warewa (dB)

Matsakaicin igiyoyin wutar lantarki (VSWR)

Ƙarfin sarrafa wutar lantarki na gaba (ci gaba da igiyar ruwa ko kololuwa)

Juya ikon sarrafa iko (ci gaba da igiyar ruwa ko kololuwa)

Nau'in haɗin haɗi

Daga cikin su, keɓewa ɗaya ne daga cikin mafi mahimmancin sigogi, wanda ke nuna matakin haɗin kai tsakanin hanyoyin RF a cikin decibels (dB). Mafi girman ƙimar, ƙarami mai haɗawa tsakanin sigina kuma mafi kyawun tasirin keɓewa. Tunda haɗaɗɗiyar lantarki ta yaɗu a duk hanyoyin gudanarwa, yana da mahimmanci musamman a kiyaye babban keɓance tsakanin hanyoyin sadarwa mai inganci ko tsarin ji.

Bugu da kari, bisa ga bukatun aikace-aikace daban-daban,masu warewadole ne kuma ya sami damar sarrafa wutar lantarki mai dacewa, ƙananan VSWR, babban tsarin haɗin haɗin gwiwa, girman da ya dace, da kewayon zafin aiki mai daidaitawa, wanda zai iya shafar aikinsu a ainihin yanayin yanayi. Matsakaicin madaidaicin ma'aunin wutar lantarki na mai keɓewa kuma ƙila a iyakance shi ta halaye na nauyin da aka ƙare.