Bayyana a taƙaice sigogin aiki na masu raba RF

A cikin tsarin RF, babban aikinMasu raba RFshine don samar ko haɓaka ƙarfin keɓewa ga hanyoyin sigina daban-daban. Ingantaccen mai zagayawa ne wanda aka dakatar ta hanyar daidaita impedance a ɗaya daga cikin tashoshin sa. Yawanci ana amfani da shi a cikin tsarin radar don kare da'irori masu mahimmanci a ƙarshen karɓa don guje wa tsangwama daga siginar da aka watsa mai ƙarfi, ta haka ne ake cimma ingantaccen keɓewa na siginar da aka watsa da kuma karɓa. Wannan labarin zai kai ku ga fahimtar mahimman sigogin aiki naMasu raba RF.

一. Ma'anarsa
Masu raba RFainihin su ne nau'i na musamman naMasu watsawa ta RF, inda tashar jiragen ruwa ɗaya (yawanci ƙarshen hanyar juyawa ta sarkar sigina) ke ƙarewa ta hanyar ɗaukar nauyi mai dacewa don cimma watsa sigina ta hanya ɗaya. Yana ba da damar sigina su wuce ta hanyar da aka riga aka tsara yayin da yake danne haske, hayaniya ko siginar tsangwama daga alkiblar baya, ta haka ne ake samun ingantacciyar ware hanyar haɗin da ta gabata.

Masu raba RF or masu zagayawayawanci na'urori ne masu wucewa waɗanda ke jagorantar raƙuman lantarki daga ƙarshen shigarwa zuwa wani takamaiman alkibla ta hanyar takamaiman tsarin filin maganadisu da fitarwa a tashar da ke kusa.

Idan aka kwatanta da masu rabawa da aka gyara daga na gargajiyaMasu watsawa ta RFNa'urorin da aka tsara musamman don dalilai na keɓewa galibi suna da ƙanƙanta kuma suna da sauƙin haɗawa. Ayyukan keɓewa yana shafar ingancin daidaitawar tashoshi kai tsaye.

Mai rabawa na yau da kullun mai yawan mita, Keɓewa (12-14dB), 18 zuwa 40GHz

Sigogi na aiki
Mahimman alamun aiki naMasu raba RFsun haɗa da:

Kewayon mita (Hz)

Rashin daidaituwa (Ω)

Asarar shigarwa (dB)

Warewa (dB)

Rabon ƙarfin lantarki na tsaye (VSWR)

Ikon sarrafa wutar lantarki ta gaba (ci gaba da raƙuman ruwa ko kololuwa)

Ƙarfin sarrafa wutar lantarki ta baya (ci gaba da raƙuman ruwa ko kololuwa)

Nau'in mahaɗi

Daga cikinsu, warewa yana ɗaya daga cikin mahimman sigogi, wanda ke nuna matakin haɗa hanyoyin RF a cikin decibels (dB). Mafi girman ƙimar, ƙaramin haɗin tsakanin sigina kuma mafi kyawun tasirin warewa. Tunda haɗin lantarki yana yaɗuwa a duk hanyoyin sarrafawa, yana da mahimmanci musamman a kiyaye babban warewa tsakanin hanyoyi a cikin tsarin sadarwa mai inganci ko na ji.

Bugu da ƙari, bisa ga buƙatun aikace-aikace daban-daban,masu rabawadole ne kuma ya kasance yana da ƙarfin sarrafa wutar lantarki mai dacewa, ƙarancin VSWR, tsarin haɗin haɗi mai aminci, girman da ya dace, da kewayon zafin aiki mai daidaitawa, wanda zai iya shafar aikinsu a cikin yanayi na ainihi. Matsakaicin ma'aunin wutar lantarki na mai raba wutar lantarki kuma yana iya iyakance shi ta hanyar halayen nauyin da aka ƙare.