Akụkọ

Teknụzụ Microwave Sichuan Keenlion——Ngwakọta

Sichuan Keenlion Microwave Technology tọrọ ntọala na 2004, Sichuan Keenlion Mircrowave techenology CO., Ltd. bụ onye na-emepụta ihe na-emepụta ihe na-eme njem na Sichuan Chengdu, China.

Anyị na-enye akụrụngwa mirrowave na-arụ ọrụ dị elu maka ngwa ngwa microwave na ụlọ na mba ofesi. Ngwaahịa ndị a dị ọnụ ahịa, gụnyere ikesa ike dị iche iche, ndị na-enye ntụziaka, ihe nzacha, ndị na-ejikọta, duplexers, ihe ndị na-agafe agafe ahaziri, ndị na-ekewapụ na ndị na-ekesa. A haziri ngwaahịa anyị n'ụzọ pụrụ iche maka oke gburugburu na ọnọdụ okpomọkụ. Enwere ike ịhazi nkọwapụta dị ka ihe ndị ahịa chọrọ si dị ma dabere na ọkọlọtọ na bandwit niile ama ama nwere bandwidị dị iche iche sitere na DC ruo 50GHz.

Ngwakọta

N'ime usoro nkwurịta okwu mkpanaka ikuku, isi ọrụ nke onye na-ejikọta ọnụ bụ ijikọta akara ngosi multi band ma wepụta ha na otu usoro nkesa ime ụlọ.

N'ime ngwa injinia, netwọkụ 800MHz C, netwọkụ 900MHz G ma ọ bụ ugboro ndị ọzọ dị iche iche kwesịrị ịpụta n'otu oge. N'iji mkpokọta, otu usoro nkesa ime ụlọ nwere ike ịrụ ọrụ n'ime eriri CDMA, bandwit GSM ma ọ bụ eriri ugboro ndị ọzọ n'otu oge.

Dịka ọmụmaatụ, n'ime usoro antenna redio, a na-ejikọta ihe ntinye na ntinye nke ọtụtụ eriri ugboro dị iche iche (dịka 145mhz na 435mhz) site na onye na-ejikọta ya, wee jikọọ ya na redio redio na feeder, nke na-abụghị nanị na-azọpụta feeder, kamakwa na-ezere nsogbu nke ịgbanwee antenna dị iche iche.

 

 

Emmetụta

Na ngwa injinia, ọ dị mkpa ijikọ netwọkụ 800MHz C na netwọkụ 900MHz G. N'iji mkpokọta, otu usoro nkesa ime ụlọ nwere ike ịrụ ọrụ na bandMA CDMA na band GSM n'otu oge. Maka ihe atụ ọzọ, na sistemụ antenna redio, a na-ejikọta ntinye na ntinye nke ọtụtụ eriri ugboro dị iche iche (dị ka 145mhz na 435mhz) site na onye na-ejikọta ya, wee jikọọ ya na redio redio na feeder, nke na-abụghị nanị na-azọpụta feeder, kamakwa na-ezere nsogbu nke ịgbanwee antenna dị iche iche..

 

Nkọwa ntụnyere ụkpụrụ

A na-ejikarị ihe nchịkọta eme ihe na njedebe mbufe. Ọrụ ya bụ ijikọ akara abụọ ma ọ bụ karịa RF ezitere site na nnyefe dị iche iche n'ime otu wee ziga ha na ngwaọrụ RF nke antenna na-ebufe, na-ezere mmekọrịta dị n'etiti akara nke ọdụ ụgbọ mmiri ọ bụla.

Ngwakọta na-enwekarị ọdụ ụgbọ mmiri ntinye abụọ ma ọ bụ karịa yana naanị otu ọdụ ụgbọ mmiri mmepụta. Mpụpụ ọdụ ụgbọ mmiri bụ ihe ndeksi dị mkpa iji kọwaa ikike nke akara abụọ ịghara imetụta ibe ha. A na-achọkarị ka ọ karịa 20dB.

Njikọ bridge 3dB nwere ọdụ ụgbọ mmiri ntinye abụọ na ọdụ ụgbọ mmiri abụọ, dị ka egosiri na eserese 2. A na-ejikarị ya emekọrịta ugboro abụọ ikuku ikuku ma na-azụ ha n'ime antenna ma ọ bụ usoro nkesa. Ọ bụrụ na a na-eji naanị otu ọdụ ụgbọ mmiri, ọdụ ụgbọ mmiri nke ọzọ kwesịrị ijikọ na ibu 50W. N'oge a, enwere mfu 3dB mgbe ejikọtara mgbaàmà. Mgbe ụfọdụ, ekwesịrị iji ọdụ ụgbọ mmiri abụọ a na-emepụta ihe, yabụ enweghị ibu na enweghị mfu 3dB.

Jikọta nnata na izipu ekwentị mkpanaaka n'otu antenna. Na usoro GSM, n'ihi na transceiver adịghị n'otu oge oghere, ekwentị mkpanaaka nwere ike ịhapụ duplexer maka ikewapụ transceiver, na-eji naanị transceiver mixer iji jikọta izipu na ịnata akara n'ime otu antenna na-enweghị ihe ọ bụla ọzọ.

Maka sekit na-anata, antenna na-enweta akara ngosi, na-abanye na ọwa nnata site na onye na-ejikọta ya, na-ejikọta ya na mgbama oscillator mpaghara natara (ya bụ mgbama VCO natara site na synthesizer ugboro ugboro), na-agbanwe akara ngosi dị elu n'ime mgbaàmà ugboro ugboro, ma quadrature na-ebelata mgbaàmà ahụ iji mepụta akara I na Q natara; Mgbe ahụ GMSK (Gaussian filter opekempe ugboro mgbanwe igodo) na-eme demodulation iji gbanwee akara ngosi analog ka ọ bụrụ akara dijitalụ, wee ziga ya na ngalaba nhazi baseband.

Maka sekit mgbasa ozi, akụkụ baseband na-eziga TDMA etiti data iyi (ya na ọnụego 270.833kbit / s) maka mgbanwe GSMK iji mepụta akara ngosi m na Q, nke a na-ezigara na nnyefe elu ihe ntụgharị maka mgbanwe na bandwit nnyefe. Mgbe nkwalite ike gasịrị, onye na-ebufe na-eziga ya site na antenna.

Ọgbakọ synthesizer na-enye mgbama oscillator mpaghara dị mkpa maka ntụgharị ugboro ugboro maka ngalaba na-ebufe na ịnata, ma na-eji teknụzụ loop akpọchi agbachi na-eme ka ọ kwụsie ike ugboro ole. Ọ na-enweta nrụtụ aka ugboro site na sekit ntụaka elekere.

Sekit ntụaka elekere na-abụkarị elekere 13mhz. N'otu aka ahụ, ọ na-enye ntụaka elekere maka sekit synthesis ugboro na elekere ọrụ maka sekit mgbagha.

Isi nhazi

Ngwakọta ugboro abụọ

① JCDUP-8019

Ngwakọta ugboro abụọ GSM & 3G bụ ngwaọrụ abụọ n'ime na otu pụta. Enwere ike ijikọ mgbaàmà GSM (885-960mhz) na mgbama 3G (1920-2170MHz).

② JCDUP-8028

Ngwakọta ugboro abụọ DCS & 3G bụ ngwaọrụ abụọ n'ime na otu pụta. Enwere ike ijikọ akara ngosi DCS (1710-1880mhz) na akara ngosi 3G (1920-2170MHz).

③ JCDUP-8026B

(TETRA / iden / CDMA / GSM) & (DCS / PHS / 3G / WLAN) igwe na-ejikọta ugboro abụọ bụ ngwaọrụ abụọ na otu pụta. Otu ọdụ ụgbọ mmiri na-ekpuchi tetra / id, CDMA na GSM usoro ugboro ugboro (800-960MHz), ma nwee ike itinye tetra / id, CDMA, GSM ma ọ bụ ngwakọta ya; Ọdụ ụgbọ mmiri nke ọzọ na-ekpuchi eriri ugboro nke DCS, PHS, 3G na sistemụ WLAN (1710-2500mhz), ma nwee ike itinye DCS, PHS, 3G, WLAN ma ọ bụ ngwakọta ọ bụla.

④ JCDUP-8022

(CDMA / GSM / DCS / 3G) & WLAN na-ejikọta ugboro abụọ bụ ngwaọrụ abụọ na otu pụta. Otu ọdụ ụgbọ mmiri na-ekpuchi CDMA, GSM, DCS na 3G usoro ugboro ugboro (824-960 / 1710-2170mhz), ma nwee ike itinye CDMA, GSM, DCS, 3G ma ọ bụ ngwakọta ya; Ọdụ ụgbọ mmiri nke ọzọ na-ekpuchi bandwit sistemụ WLAN (2400-2500mhz) ma nwee ike itinye akara sistemụ WLAN.

Ngwakọta ugboro atọ

① JCDUP-8024 / JCDUP-8024B

GSM & DCS & 3G ngwakọta ugboro atọ bụ ngwaọrụ atọ na otu pụta. Enwere ike ijikọ akara GSM (885-960mhz), DCS (1710-1880mhz) na 3G (1920-2170MHz).

② JCDUP-8018

GSM & 3G & WLAN ugboro ugboro atọ bụ ngwaọrụ atọ na otu pụta. Enwere ike ijikọ akara GSM (885-960mhz), 3G (1920-2170MHz) na WLAN (2400-2500mhz).

Ngwakọta ugboro anọ

① JCDUP-8031

GSM & DCS & 3G & WLAN ugboro anọ bụ ihe anọ dị n'otu ngwaọrụ. GSM (885-960mhz), DCS (1710-1880mhz), 3G (1920-2170MHz) na WLAN (2400-2483.5mhz) anọ ugboro mgbaàmà nwere ike jikọọ.

Na mgbakwunye, na ngwa nke njikọta, ekwesịrị iburu n'uche na ọnọdụ nri mgbaàmà nke ọdụ ọdụ ma ọ bụ onye na-emegharị ihe bụ ikuku ikuku, isi iyi ya dịkwa obosara. Ya mere, achọrọ passband dị warara n'ọnọdụ ụfọdụ iji hụ na ọ dị ọcha nke mgbaàmà; Ụdị nri nri mgbama nke mkpokọta bụ eriri, a na-ewerekwa mgbama ahụ ozugbo site na isi iyi, nke bụ mgbama dị warara. Dịka ọmụmaatụ, ọwa CDMA / GSM nke jikọtara jcdup-8026b nwere ọwa obosara nke 800-960MHz. Mgbe ị na-enweta mgbama ugboro nke GSM, n'ihi na isi mmalite bụ mgbama ugboro ugboro, usoro nri bụ eriri, ma enwere naanị akara ngosi ugboro nke ihe na ọwa na-enweghị akara ndabichi ndị ọzọ. Ya mere, nhazi nke ọwa sara mbara nke onye na-ejikọta ya ga-ekwe omume na ngwa bara uru.

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