Iyini i-front end ye-RF?

1) I-RF front-end iyingxenye esemqoka yesistimu yezokuxhumana

Indawo engaphambili yefrikhwensi yomsakazo inomsebenzi wokwamukela nokudlulisa amasignali efrikhwensi yomsakazo. Ukusebenza kwayo kanye nekhwalithi yizici ezibalulekile ezinquma amandla esignali, isivinini sokuxhuma kwenethiwekhi, umkhawulokudonsa wesignali, ikhwalithi yokuxhumana, nezinye izinkomba zokuxhumana.

Ngokuvamile, zonke izingxenye ezitholakala phakathi kwe-antenna ne-transceiver ye-RF zihlangene zibizwa ngokuthi i-RF front-end. Amamojula e-RF angaphambili amelwe i-Wi-Fi, i-Bluetooth, iselula, i-NFC, i-GPS, njll. angakwazi ukubona ukunethiwekha, ukudluliswa kwamafayela, ukuxhumana, ukuswayipha ikhadi, ukuma, neminye imisebenzi.

2） Ukuhlukaniswa nokuhlukaniswa okusebenzayo kwe-RF front-end

Kunezinhlobo ezahlukene ze-RF front-ends. Ngokwefomu, zingahlukaniswa ngamadivaysi ahlukene namamojula we-RF. Ngemuva kwalokho, amadivaysi ahlukene angahlukaniswa abe izingxenye ezisebenzayo ezihlukene ngokwemisebenzi yawo, futhi amamojula e-RF angahlukaniswa abe izindlela eziphansi, eziphakathi, neziphezulu zokuhlanganisa ngokuya ngezinga lokuhlanganisa. iqembu. Ngaphezu kwalokho, ngokwendlela yokudlulisa isignali, i-RF front-end ingahlukaniswa ibe indlela yokudlulisa kanye nendlela yokwamukela.

Kusukela ekuhlukaniseni okusebenzayo kwamadivayisi ahlukene, ihlukaniswe ikakhulukazi i-amplifier yamandla (PA),i-duplexer (i-Duplexer ne-Diplexer), switch frequency radio (Shintsha),isihlungi (Hlunga)kanye nesikhulisi somsindo ophansi (LNA), njll., kanye ne-baseband chip yakha isistimu yefrikhwensi yomsakazo.

Isikhulisi samandla (i-PA) singakhulisa isignali yefrikhwensi yomsakazo wesiteshi sokudlulisa, futhi i-duplexer (i-Duplexer ne-Diplexer) ingahlukanisa amasignali okudlulisa nokwamukela ukuze okokusebenza okwabelana ngothi olufanayo lukwazi ukusebenza ngokujwayelekile; i-radio frequency switch (Shintsha) ingabona ukwamukela isignali yefrikhwensi yomsakazo kanye nokushintshashintsha kokudlulisa, ukushintsha phakathi kwamabhendi amafrikhwensi ahlukene; Izihlungi zingagcina amasiginali kumabhendi efrikhwensi athile futhi zihlunge amasiginali ngaphandle kwamabhendi athile efrikhwensi; Izikhulisamsindo eziphansi (LNA) zingakhulisa amasiginali amancane endleleni yokwamukela.

Hlukanisa amamojula aphansi, aphakathi, naphezulu ahlanganisayo ngokwezinga lokuhlanganisa lamamojula efrikhwensi yomsakazo. Phakathi kwawo, amamojula anokuhlanganiswa okuphansi ahlanganisa i-ASM, i-FEM, njll., futhi amamojula anokuhlanganiswa okuphakathi ahlanganisa i-Div FEM, FEMID, PAiD, SMMB PA, MMMB PA, RX Module, ne-TX Module, njll., amamojula anezinga eliphezulu le ukuhlanganiswa kufaka i-PAMiD ne-LNA Div FEM.

Indlela yokudlulisa isignali ingahlukaniswa ibe indlela yokudlulisa kanye nendlela yokwamukela. Indlela yokudlulisa ngokuyinhloko ihlanganisa izikhulisamandla nezihlungi, futhi indlela yokwamukela ngokuyinhloko ihlanganisa ukushintshwa kwamafrikhwensi omsakazo, izikhulisamsindo eziphansi, nezihlungi.

Ukuze uthole ezinye izicelo zezingxenye ze-passive, sicela usithinte:sales@cdjx-mw.com.