Nidaamyada isgaarsiineed ee casriga ah, qaybta hore ee Frequency Radio (RF) ayaa door muhiim ah ka ciyaara awood u yeelashada isgaarsiin hufan. Meesha u dhaxaysa anteenada iyo xadhiga dhijitaalka ah, RF-ga hore ayaa mas'uul ka ah farsamaynta calaamadaha soo socda iyo kuwa baxaya, taas oo ka dhigaysa qayb muhiim ah oo ka mid ah qalabka laga bilaabo casriga ilaa satalaytka.
Waa maxay RF Front-End?
Dhamaadka hore ee RF wuxuu ka kooban yahay qaybo kala duwan oo wax ka qabta soo-dhoweynta calaamadaha iyo gudbinta. Qodobbada muhiimka ah waxaa ka mid ah cod-weyneeyeyaal koronto (PA), cod-weyneyayaasha dhawaqooda yar (LNA), filtarrada, iyo furayaasha. Qaybahani waxay si wadajir ah u shaqeeyaan si loo hubiyo in calaamadaha lagu gudbiyo xoogga la rabo iyo caddaynta, iyadoo la yareynayo faragelinta iyo buuqa.
Caadi ahaan, dhammaan qaybaha u dhexeeya anteenada iyo transceiver-ka RF waxaa loo tixraacaa dhinaca hore ee RF, iyadoo la hubinayo gudbinta signallada wireless-ka oo hufan.
2) Kala soocida iyo shaqada RF Front-End
Dhamaadka hore ee RF waxaa loo kala saari karaa laba nooc oo waaweyn iyadoo lagu saleynayo qaabka: qaybaha kala duwan iyo qaybaha RF. Qaybaha kala duwan ayaa lagu sii kala soocaa iyadoo lagu saleynayo shaqadooda, halka modules-yada RF ay u kala qaybsan yihiin heerar hoose, dhexdhexaad, iyo heerar sare oo isdhexgalka. Intaa waxaa dheer, iyadoo ku xiran dariiqa gudbinta calaamadaha, RF-ga hore-dhamaadka wuxuu u qaybsan yahay gudbinta iyo waddooyinka soo dhaweynta.
Laga soo bilaabo qaybta shaqaynta ee aaladaha kala duwan, qaybaha muhiimka ah ee RF hore-dhamaadka oo lagu daray cod-weyneeye (PA), duplexer (Duplexer iyo Diplexer), beddelka soo noqnoqda raadiyaha (Beddelka), filter (Filter) iyo cod-weyneeye hoose (LNA), iwm,. Qaybahaan, oo ay weheliyaan chipband, waxay sameeyaan nidaam RF ah oo dhamaystiran.
Amplifiers Power (PA): Xooji calaamadda la gudbinayo.
Duplexers: Calaamadaha gudbinta iyo soo dhawaynta kala duwan, taas oo u oggolaanaysa aaladaha inay si hufan u wadaagaan anteeno isku mid ah.
Beddelka soo noqnoqda raadiyaha (Bedel): Daree u beddelashada gudbinta iyo soo-dhowaynta ama inta u dhaxaysa xadhkaha soo noqnoqda ee kala duwan.
Shaandheeye: Ka saar soo noqnoqoshada aan la rabin oo hay calaamada la rabo.
Amplifiers- Low-Noise Amplifiers (LNA): Kordhi calaamadaha daciifka ah ee jidka helaya.
Qaybaha RF, oo ku salaysan heerkooda isdhexgalka, waxay u dhexeeyaan qaybaha hoose ee isdhexgalka (sida ASM, FEM) ilaa qaybo dhexdhexaad ah (sida Div FEM, FEMID, PAiD), iyo qaybaha isdhexgalka sare (sida PAMiD, LNA Div FEM). ). Nooc kasta oo ka mid ah moduleka waxaa loogu talagalay inuu daboolo baahiyaha codsi ee kala duwan.
Muhiimadda Nidaamyada Isgaarsiinta
Dhamaadka-dhamaadka RF waa furaha furaha isgaadhsiinta wireless-ka ee hufan. Waxay go'aamisaa waxqabadka guud ee nidaamka marka loo eego xoogga calaamadda, tayada, iyo baaxadda. Shabakadda gacanta, tusaale ahaan, RF-ga hore waxa uu xaqiijiyaa xidhiidhka cad ee u dhexeeya aaladda iyo saldhigga saldhigga, si toos ah u saameeya tayada wacitaanka, xawaaraha xogta, iyo baaxadda caymiska.
Xalka Hore ee RF Custom
Apex waxay ku takhasustay naqshadaynta qaybaha hore ee RF ee caadiga ah, oo bixiya xalal loogu talagalay inay buuxiyaan shuruudaha gaarka ah ee hababka isgaarsiinta kala duwan. Badeecadahayada RF-da ee kala duwan waxay xaqiijinayaan waxqabadka la hagaajiyay ee codsiyada isgaarsiinta, hawada hawada, difaaca, iyo in ka badan.
Gabagabo
Dhamaadka hore ee RF waa qayb muhiim ah oo ka mid ah nidaam kasta oo isgaarsiin ah, hubinta gudbinta calaamadaha hufan iyo soo dhaweynta iyadoo la yareynayo faragelinta. Horumarinta tignoolajiyada iyo baahida sii kordheysa ee waxqabadka sare, muhiimada tayada sare leh ee xalalka hore ee RF ayaa sii kordhaya, taas oo ka dhigaysa qayb muhiim ah shabakadaha casriga casriga ah.
For more information on passive components, feel free to reach out to us at sales@apextech-mw.com.
Waqtiga boostada: Oct-17-2024
