Indima ye-RF front-end kwiinkqubo zonxibelelwano

Kwiinkqubo zonxibelelwano zanamhlanje, i-Radio Frequency (RF) front-end idlala indima ebalulekileyo ekwenzeni unxibelelwano olungenazingcingo lube nempumelelo. Ibekwe phakathi kwe-antenna kunye ne-digital baseband, i-RF front-end inoxanduva lokucubungula imiqondiso engenayo nephumayo, nto leyo eyenza ukuba ibe yinxalenye ebalulekileyo kwizixhobo eziqala kwiifowuni eziphathwayo ukuya kwiisathelayithi.

Yintoni i-RF Front-End?
I-RF front-end iqulathe izinto ezahlukeneyo ezilawula ukwamkelwa kunye nokudluliselwa kwesignali. Izinto eziphambili ziquka ii-power amplifiers (PA), ii-low-noise amplifiers (LNA), izihluzi, kunye neeswitshi. Ezi zinto zisebenza kunye ukuqinisekisa ukuba iimpawu zidluliselwa ngamandla afunekayo kunye nokucaca, ngelixa zinciphisa ukuphazamiseka kunye nengxolo.

Ngokwesiqhelo, zonke izinto eziphakathi kwe-antenna kunye ne-RF transceiver zibizwa ngokuba yi-RF front-end, ukuqinisekisa ukuhanjiswa kwesignali engenazingcingo okusebenzayo.

2) Uhlu kunye nomsebenzi we-RF Front-End
I-RF front-end inokwahlulwahlulwa ibe ziintlobo ezimbini eziphambili ngokusekelwe kwimo yayo: ii-discrete components kunye nee-RF modules. Ii-discrete components zihlulwahlulwa ngakumbi ngokusekelwe kumsebenzi wazo, ngelixa ii-RF modules zahlulwe zibe ngamanqanaba aphantsi, aphakathi, kunye namanqanaba aphezulu okudibanisa. Ukongeza, ngokuxhomekeke kwindlela yokudlulisela isignali, i-RF front-end yahlulwe ibe ziindlela zokudlulisela kunye nokwamkela.

Ukususela kulwahlulo olusebenzayo lwezixhobo ezizimeleyo, izinto eziphambili ze-RF front-end zibandakanyiwe zahlulwe kwi-power amplifier (PA), i-duplexer (i-Duplexer kunye ne-Diplexer), i-radio frequency switch (i-Switch), i-filter (i-Filter) kunye ne-low noise amplifier (i-LNA), njl.njl. Ezi zinto, kunye ne-baseband chip, zenza inkqubo epheleleyo ye-RF.

Ii-Amplifiers zamandla (PA): Yomeleza isignali edluliselwayo.
IiDuplexers: Ziyahlulahlula imiqondiso yokudlulisa kunye neyokwamkela, nto leyo evumela izixhobo ukuba zabelane nge-antenna efanayo ngokufanelekileyo.
Ukutshintsha irediyo rhoqo (Tshintsha): Vumela ukutshintsha phakathi kothumelo kunye nolwamkelo okanye phakathi kweebhendi ezahlukeneyo zefrikhwensi.
Izihluzi: Hluza amaza angafunekiyo uze ugcine isignali oyifunayo.
Ii-Amplifiers zeNgxolo ePhantsi (i-LNA): Khulisa imiqondiso ebuthathaka kwindlela eyamkelayo.
Iimodyuli zeRF, ngokusekelwe kwinqanaba lazo lokudibanisa, ziqala kwiimodyuli zokudibanisa ezisezantsi (ezifana ne-ASM, i-FEM) ukuya kwiimodyuli zokudibanisa eziphakathi (ezifana ne-Div FEM, i-FEMID, i-PAiD), kunye neemodyuli zokudibanisa eziphezulu (ezifana ne-PAMiD, i-LNA Div FEM). Uhlobo ngalunye lwemodyuli luyilelwe ukuhlangabezana neemfuno ezahlukeneyo zesicelo.

Ukubaluleka kwiinkqubo zoNxibelelwano
I-RF front-end yeyona nto iphambili enika amandla unxibelelwano olungenazingcingo olusebenzayo. Imisela ukusebenza kwenkqubo iyonke ngokwendlela amandla esignali, umgangatho, kunye ne-bandwidth. Kwiinethiwekhi zeselula, umzekelo, i-RF front-end iqinisekisa unxibelelwano olucacileyo phakathi kwesixhobo kunye nesikhululo sesiseko, nto leyo echaphazela ngokuthe ngqo umgangatho wefowuni, isantya sedatha, kunye nobubanzi bokugubungela.

Izisombululo ze-RF zangaphambili ezenziwe ngokwezifiso
I-Apex igxile ekuyileni izinto ze-RF zangaphambili ezenziwe ngokwezifiso, inikezela ngezisombululo ezenzelwe ukuhlangabezana neemfuno ezithile zeenkqubo ezahlukeneyo zonxibelelwano. Uluhlu lwethu lweemveliso zangaphambili ze-RF luqinisekisa ukusebenza kakuhle kwezicelo zonxibelelwano, i-aerospace, ukhuselo, nokunye.

Isiphelo
I-RF front-end yinxalenye ebalulekileyo yayo nayiphi na inkqubo yonxibelelwano, iqinisekisa ukuhanjiswa kwesignali kunye nokwamkelwa okusebenzayo ngelixa inciphisa ukuphazamiseka. Ngenxa yokuqhubela phambili kwetekhnoloji kunye neemfuno ezikhulayo zokusebenza okuphezulu, ukubaluleka kwezisombululo zeRF front-end ezikumgangatho ophezulu kuyaqhubeka nokunyuka, nto leyo eyenza ukuba zibe yinxalenye ebalulekileyo kwiinethiwekhi zanamhlanje ezingenazingcingo.

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