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Sichuan Keenlion Microwave Technology——Umdibanisi

I-Sichuan Keenlion Microwave Technology Yasekwa ngo-2004, iSichuan Keenlion Mircrowave techenology CO., Ltd. ngumenzi okhokelayo wamacandelo ePassive Mircrowave eSichuan Chengdu, eChina.

Sinikezela ngamacandelo e-mirrowave asebenza kakhulu kunye neenkonzo ezinxulumene noko kwizicelo ze-microwave ekhaya naphesheya. Iimveliso azibizi kakhulu, kubandakanya ukwahlula amandla okwahlukeneyo, ii-couplers ezikhokelayo, izihluzi, izihlanganisi, ii-duplexers, iikhomponenti ezenziwe ngokwezifiso, i-isolator kunye neesetyhula. Iimveliso zethu ziyilelwe ngokukodwa iimeko ezahlukeneyo ezingqongileyo kunye namaqondo obushushu. Iinkcukacha zinokuqulunqwa ngokweemfuno zabathengi kwaye zisebenza kuzo zonke iibhendi eziqhelekileyo kunye nezidumileyo ezinamaza ohlukeneyo ukusuka kwi-DC ukuya kwi-50GHz.

Umdibanisi

Kwinkqubo yonxibelelwano olungenazingcingo, owona msebenzi uphambili wokudibanisa kukudibanisa igalelo leempawu zebhendi ezininzi kwaye uzikhuphele kwinkqubo efanayo yokuhambisa yangaphakathi.

Kwisicelo sobunjineli, inethiwekhi ye-800MHz C, inethiwekhi ye-900MHz G okanye ezinye iifrikhwensi ezahlukeneyo kufuneka zikhutshwe ngexesha elinye. Ukusebenzisa umhlanganisi, iseti yenkqubo yokusasazwa kwangaphakathi inokusebenza kwibhendi yefrikhwensi yeCDMA, ibhendi yefrikhwensi ye-GSM okanye ezinye iibhendi zamaza ngaxeshanye.

Umzekelo, kwinkqubo ye-eriyali yerediyo, igalelo kunye nemiqondiso yemveliso yeebhendi ezininzi ezahlukeneyo zamaza (ezifana ne-145mhz kunye ne-435mhz) zidityaniswe ngomhlanganisi, kwaye emva koko idityaniswe nesikhululo sikanomathotholo nge-feeder, engagcini nje ngokugcina i-feeder, kodwa ikwanqanda ingxaki yokutshintsha ii-eriyali ezahlukeneyo.

 

 

Eisiphumo

Kwizicelo zobunjineli, kuyimfuneko ukudibanisa inethiwekhi ye-800MHz C kunye nenethiwekhi ye-900MHz G. Ukusebenzisa umhlanganisi, iseti yenkqubo yokusasazwa kwangaphakathi inokusebenza kwibhendi ye-CDMA kunye nebhendi ye-GSM ngaxeshanye. Ngomnye umzekelo, kwinkqubo ye-eriyali yerediyo, igalelo kunye nemiqondiso yemveliso yeebhendi ezininzi ezahlukeneyo zamaza (ezifana ne-145mhz kunye ne-435mhz) zidityaniswa ngomhlanganisi, emva koko ziqhagamshelwe kwisikhululo sikanomathotholo kunye ne-feeder, engagcini nje ngokugcina i-feeder, kodwa ikwanqanda ingxaki yokutshintsha ii-eriyali ezahlukeneyo..

 

Inkcazo yesifaniso somgaqo

Umhlanganisi usetyenziswa ngokuqhelekileyo ekupheleni kokudlulisa. Umsebenzi wayo kukudibanisa iisiginali zeRF ezimbini okanye ngaphezulu ezithunyelwa kwii-transmitter ezahlukeneyo zibe nye kwaye uzithumele kwizixhobo zeRF ezihanjiswa yi-eriyali, ngelixa uthintela ukunxibelelana phakathi kweempawu zezibuko ngalinye.

Abadibanisi ngokubanzi banezibuko ezimbini okanye ngaphezulu zongeniso kunye nezibuko elinye lemveliso. I-Port isolation isalathiso esibalulekileyo sokuchaza amandla ezibonakaliso ezimbini ukuba zingachaphazeli omnye nomnye. Ngokuqhelekileyo kufuneka ibe ngaphezu kwe-20dB.

Umdibanisi webhulorho we-3dB unamazibuko amabini okufakwayo kunye namazibuko amabini aphumayo, njengoko kubonisiwe kuMzobo 2. Iqhele ukusetyenziswa ukudibanisa amaza ombane ombane angenazingcingo kunye nokuzondla kwi-eriyali okanye inkqubo yokuhambisa. Ukuba i-port enye kuphela isetyenzisiweyo, enye i-port ye-port kufuneka idityaniswe kumthwalo we-50W. Ngeli xesha, kukho ilahleko ye-3dB emva kokuba uphawu ludityanisiwe. Ngamanye amaxesha zombini izibuko zemveliso kufuneka zisetyenziswe, ngoko akukho mthwalo kwaye akukho lahleko ye-3dB.

Dibanisa ukufumana kunye nokuthunyelwa kwesignali yefowuni ephathwayo kwi-eriyali enye. Kwinkqubo ye-GSM, ngenxa yokuba i-transceiver ayikho ngexesha elifanayo, ifowuni ephathwayo inokushiya i-duplexer yokwahlula i-transceiver, kwaye isebenzise kuphela i-contacter elula yokudibanisa ukudibanisa ukuthumela nokufumana iimpawu kwi-eriyali enye ngaphandle kokuphazamisana.

Kwisekethe eyamkelayo, i-antenna ifumana umqondiso, ingena kumjelo wokufumana umdibanisi, ixuba kunye nesignali ye-oscillator yendawo efunyenweyo (okt isibonakaliso esifunyenweyo se-VCO esiveliswa yi-frequency synthesizer), sitshintsha isignali ye-high-frequency kwisignali ye-frequency ephakathi, kwaye emva koko i-quadrature idicilela umqondiso ukuvelisa iimpawu ezifunyenweyo ze-I kunye ne-Q; Emva koko i-GMSK (isihluzi seGaussian ubuncinci be-frequency shift keying) i-demodulation iyenziwa ukuguqula umqondiso we-analog kwisignali yedijithali, kwaye emva koko ithunyelwe kwiyunithi yokucubungula i-baseband.

Kwisekethe yothumelo, inxalenye ye-baseband ithumela umlambo wedatha yesakhelo se-TDMA (kunye nesantya se-270.833kbit / s) ye-GSMK yokumodareyitha ukwenza ukuhanjiswa kweempawu ze-I kunye ne-Q, ezithi zithunyelwe kwi-transmission up converter ukuze imodareyithwe kwibhendi yefrikhwensi yothumelo. Emva kokwandiswa kwamandla, isidluliseli sithumela ngaphandle nge-eriyali.

I-frequency synthesizer ibonelela ngesignali ye-oscillator yendawo eyimfuneko yokuguqulwa kwamaza okuhambisa kunye nokwamkela iyunithi, kwaye isebenzisa iteknoloji ye-loop evaliweyo ukuzinzisa ukuphindaphinda. Ifumana ireferensi yefrikhwensi kwisekethe yereferensi yewotshi.

Iwotshi yesalathiso sewotshi idla ngokuba yi-13mhz. Kwelinye icala, ibonelela ngereferensi yewotshi yesekethe ye-frequency synthesis kunye newotshi yokusebenza yesekethe yengqiqo.

Ukuhlelwa okuphambili

Umdibanisi wamatyeli amabini

① JCDUP-8019

I-GSM & 3G umdibanisi wefrikhwensi ephindwe kabini sisixhobo esingaphakathi kunye nesinye ngaphandle. Isignali ye-GSM (885-960mhz) inokudibaniswa nomqondiso we-3G (1920-2170MHz).

② JCDUP-8028

I-DCS kunye ne-3G umdibanisi wefrikhwensi ephindwe kabini sisixhobo esinye kunye nesinye. Umqondiso we-DCS (1710-1880mhz) unokudibaniswa nomqondiso we-3G (1920-2170MHz).

③ JCDUP-8026B

(TETRA / iden / CDMA / GSM) & (DCS / PHS / 3G / WLAN) umdibanisi wamatyeli amabini aphindwe kabini kunye nesixhobo esinye. Elinye izibuko ligubungela i-tetra / iden, i-CDMA kunye ne-GSM inkqubo yebhendi yefrikhwensi (800-960MHz), kwaye inokufaka i-tetra / iden, i-CDMA, i-GSM okanye nayiphi na indibaniselwano yayo; Elinye izibuko liquka i-frequency band ye-DCS, PHS, 3G kunye nenkqubo ye-WLAN (1710-2500mhz), kwaye inokufaka i-DCS, i-PHS, i-3G, i-WLAN okanye nayiphi na indibaniselwano yazo.

④ JCDUP-8022

(CDMA / GSM / DCS / 3G) & WLAN dual frequency komhlanganisi sisixhobo ezimbini kunye nesinye ngaphandle. Elinye izibuko ligubungela iCDMA, GSM, DCS kunye ne-3G system frequency band (824-960 / 1710-2170mhz), kwaye inokufaka i-CDMA, GSM, DCS, 3G okanye nayiphi na indibaniselwano yayo; Elinye izibuko ligubungela ibhendi yefrikhwensi yenkqubo yeWLAN (2400-2500mhz) kwaye inokufaka imiqondiso yenkqubo yeWLAN.

Umdibanisi wamatyeli amathathu

① JCDUP-8024 / JCDUP-8024B

I-GSM & DCS kunye ne-3G isidibanisi sefrikhwensi ezintathu sisixhobo esithathu kunye nesiphuma esinye. I-GSM (885-960mhz), i-DCS (1710-1880mhz) kunye ne-3G (1920-2170MHz) iimpawu zinokudibaniswa.

② JCDUP-8018

I-GSM & 3G kunye ne-WLAN isidibanisi sefrikhwensi ezintathu sisixhobo esinesithathu kunye nesinye ngaphandle. Iimpawu ze-GSM (885-960mhz), 3G (1920-2170MHz) kunye ne-WLAN (2400-2500mhz) zinokudibaniswa.

Isidibanisi esine frequency

① JCDUP-8031

I-GSM & DCS & 3G & WLAN isidibanisi esine frequency sisixhobo esine kwisixhobo esinye. I-GSM (885-960mhz), i-DCS (1710-1880mhz), 3G (1920-2170MHz) kunye ne-WLAN (2400-2483.5mhz) izibonakaliso ezine zefrikhwensi zinokudibaniswa.

Ukongeza, ekusetyenzisweni komhlanganisi, kufuneka kuqatshelwe ukuba imowudi yokondla umqondiso wesikhululo esisisiseko okanye i-repeater ayinacingo, kwaye umthombo wayo ubanzi. Ngoko ke, i-passband emxinwa iyadingeka kwezinye iimeko ukuqinisekisa ukucoceka komqondiso; Imowudi yokondla umqondiso womhlanganisi yintambo, kwaye umqondiso uthathwa ngokuthe ngqo kumthombo, oyisignali ye-spectrum emxinwa. Ngokomzekelo, itshaneli ye-CDMA / GSM ye-combiner jcdup-8026b inobubanzi betshaneli ye-800-960MHz. Xa ufikelela kwi-GSM carrier frequency signal, kuba umthombo ngumqondiso we-frequency carrier, indlela yokutya intambo, kwaye kukho kuphela lo mqondiso we-frequency carrier kwitshaneli ngaphandle kweminye imiqondiso yokuphazamiseka. Ke ngoko, uyilo olubanzi lwetshaneli yokudibanisa lunokwenzeka kwisicelo esisebenzayo.

Sisenokwenza ngokwezifiso amalungu e-rf passive ngokweemfuno zakho. Ungangenisa iphepha lokulungiselela ukubonelela ngeenkcukacha ozifunayo.
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