Wadanne abubuwa ne aka haɗa a gaban-karshen RF?

Tsarin sadarwar mara waya gabaɗaya sun haɗa da sassa huɗu: eriya, mitar gaban-ƙarshen rediyo, ƙirar mitar mitar rediyo, da na'ura mai sarrafa siginar tushe.

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Tare da zuwan zamanin 5G, buƙatu da ƙimar eriya da na gaba-gaba na mitar rediyo suna tashi cikin sauri. Ƙarshen gaban mitar rediyo shine ainihin ɓangaren da ke juyar da siginar dijital zuwa siginar mitar rediyo mara igiyar waya kuma shi ne ainihin ɓangaren tsarin sadarwar mara waya.

Dangane da aikin, ana iya raba gaban-ƙarshen mitar rediyo zuwa ƙarshen watsa Tx da ƙarshen karɓar Rx.

Dangane da na'urori daban-daban, ana iya raba gaban-karshen RF zuwa na'urori masu ƙarfi (ƙaramar siginar RF a ƙarshen watsawa),tacewa (tace sigina a ƙarshen watsawa da mai karɓa),ƙananan ƙararrawar ƙararrawa (haɓaka sigina a ƙarshen mai karɓa, rage amo), masu sauyawa (canzawa tsakanin tashoshi daban-daban),Duplexer(zaɓin sigina, daidaitawar tacewa), mai gyara (tashar siginar eriya mai daidaitawa), da sauransu.

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Tace: takamaiman mitoci da tace tsangwama sigina

The taceita ce mafi mahimmancin na'ura mai hankali a gaban-karshen RF. Yana ba da damar takamaiman abubuwan mitar da ke cikin siginar su wuce ta kuma yana haɓaka sauran abubuwan haɗin mitar sosai, ta haka inganta siginar hana tsangwama da rabon sigina-zuwa amo.

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Diplexer/Multiplexer: Ware siginar watsa/karɓa

The duplexer, wanda kuma aka sani da eriya duplexer, ya ƙunshi saiti biyu na matattarar tsagaitawa tare da mitoci daban-daban.

The duplexeryana amfani da aikin rarraba mitar na babban fasfo, ƙaramin wucewa ko matatar band-pass don ba da damar eriya iri ɗaya ko layin watsawa don amfani da hanyoyin sigina guda biyu, ta haka yana ba da damar eriya ɗaya don karɓa da watsa sigina na mitoci daban-daban.

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Ƙaramar ƙaramar ƙararrawa(LNA): yana haɓaka siginar da aka karɓa kuma yana rage gabatarwar amo

The ƙaramar ƙararrawaamplifier ne mai ƙaramin amo. Ayyukansa shine ƙara girman siginar mitar rediyo mai rauni ta hanyar eriya da rage ƙaddamar da amo. LNA na iya inganta yadda ya dace da karɓar hankalin mai karɓa, ta haka zai ƙara nisan watsawa na mai ɗaukar hoto.

Aga ƙwararrun & ƙwararrun masana'anta na RF & Microwave abubuwan haɗin gwiwa, CHengdu Jingxin Microwave Technology Co., Ltd ƙwararre wajen ƙira da kera nau'ikan daidaitattun daidaitattun abubuwan ƙira da na al'ada tare da babban aiki daga DC zuwa 110GHz. Idan kuna da wasu buƙatu donvarious passive components, you are welcome to contact us @ sales@cdjx-mw.com


Lokacin aikawa: Fabrairu-29-2024