Sichuan Keenlion Microwave Technology Tau tsim muaj xyoo 2004, Sichuan Keenlion Mircrowave techenology CO., Ltd. yog lub chaw tsim khoom ua ntej ntawm cov khoom siv Passive Mircrowave hauv Sichuan Chengdu, Suav.
Peb muab cov khoom siv mirrowave ua haujlwm tau zoo thiab cov kev pabcuam cuam tshuam rau kev siv microwave hauv tsev thiab txawv teb chaws. Cov khoom lag luam pheej yig, suav nrog ntau yam khoom faib hluav taws xob, cov khoom sib txuas lus, cov lim dej, cov khoom sib txuas, cov khoom duplexer, cov khoom sib cais ua haujlwm, cov khoom cais thiab cov khoom sib xyaw. Peb cov khoom lag luam tau tsim tshwj xeeb rau ntau qhov chaw ib puag ncig thiab qhov kub thiab txias. Cov lus qhia tuaj yeem tsim raws li cov neeg siv khoom xav tau thiab siv tau rau txhua qhov zaus txheem thiab nrov nrog ntau yam bandwidths los ntawm DC txog 50GHz.
tus txuas
Lub zog faib khoom rau kev faib cov teeb liab RF ua ob txoj hauv kev sib piv thiab tso tawm mus rau lub tshuab pub rau lub kav hlau txais xov
Cov ntawv thov tseem ceeb
(1) Daim ntawv thov hauv kev sib txuas lus logic
Lub coupler tuaj yeem tsim ntau yam kev sib txuas lus logic. Vim tias qhov kev ua haujlwm tiv thaiv kev cuam tshuam thiab kev cais tawm ntawm lub coupler zoo dua li ntawm lub transistor, lub voj voog logic uas nws tsim tau zoo dua.
Cov teb thov thiab cov sijhawm ntawm coupler
(2) Daim ntawv thov ua qhov hloov pauv khoom khov kho
Hauv lub voj voog hloov pauv, nws feem ntau xav tau kom muaj kev sib cais hluav taws xob zoo ntawm lub voj voog tswj thiab lub qhov hloov pauv, uas nyuaj rau lub qhov hloov hluav taws xob dav dav, tab sis nws yooj yim kom paub nrog lub coupler.
(3) Daim ntawv thov hauv lub voj voog ua kom tawg
Thaum siv lub coupler hauv lub bistable output circuit, qhov teeb meem ntawm kev sib cais ntawm cov zis thiab load tuaj yeem daws tau zoo vim tias LED tuaj yeem txuas ua ke rau hauv lub emitter circuit ntawm ob lub raj.
(4) Daim ntawv thov hauv lub voj voog pulse amplification
Cov couplers siv rau hauv cov voj voog digital los ua kom cov teeb liab pulse loj dua.
(5) Daim ntawv thov hauv linear circuit
Cov linear coupler siv rau hauv cov kab hluav taws xob linear, uas muaj linearity siab thiab kev ua haujlwm zoo heev hauv av hluav taws xob cais tawm.
(6) Daim ntawv thov rau cov sijhawm tshwj xeeb
Lub coupler kuj tseem siv tau rau hauv kev tswj hwm qhov hluav taws xob siab, hloov transformer, hloov kev sib cuag relay thiab A / D circuit.
Cov cim qhia txog kev siv tshuab
1. Qib txuas: qhov sib txawv ncaj qha ntawm lub zog tso zis los ntawm qhov chaw txuas thiab lub zog teeb liab nkag thaum lub zog teeb liab hla dhau lub coupler.
2. Qib kev rho tawm: hais txog qhov kev rho tawm ntawm qhov chaw tso zis thiab qhov chaw txuas; Feem ntau, qhov ntsuas no tsuas yog siv los ntsuas microstrip coupler. Thiab nws txawv raws li qib kev txuas: piv txwv li, 5-10db yog 18 ~ 23dB, 15dB yog 20 ~ 25dB, thiab 20dB (suav nrog saum toj no) yog 25 ~ 30dB; qib kev rho tawm ntawm qhov chaw txuas zoo heev, yog li tsis tas yuav tsum muaj qhov ntsuas no.
3. Kev Ncaj Ncees: hais txog tus nqi ntawm kev sib cais ntawm qhov chaw nres nkoj tso zis thiab qhov chaw nres nkoj txuas nrog rho tawm tus nqi ntawm qib txuas. Txij li thaum qhov kev ncaj ncees ntawm microstrip txo qis maj mam nrog kev nce ntawm qib txuas, yeej tsis muaj kev ncaj ncees siab dua 30dB, yog li tsis muaj qhov yuav tsum tau ua rau microstrip coupler. Qhov kev ncaj ncees ntawm qhov chaw txuas feem ntau yog 17 ~ 19dB ntawm 1700 ~ 2200MHz, 824 ~ 960MHz: 18 ~ 22dB.
4. Txoj kev xam: kev coj ua = kev rho tawm - kev sib txuas.
5. Kev poob ntawm kev ntxig: hais txog tus nqi tau los ntawm kev rho tus nqi ntawm kev faib tawm poob ntawm lub zog teeb liab txo qis los ntawm lub zog teeb liab los ntawm lub coupler mus rau qhov tso zis. Feem ntau, kev poob ntawm kev ntxig ntawm microstrip coupler sib txawv raws li qib kev sib txuas. Feem ntau, nws yog 0.35 ~ 0.5dB rau tsawg dua 10dB thiab 0.2 ~ 0.5dB rau ntau dua 10dB.
6. Qhov piv ntawm nthwv dej ntawm cov tswv yim / cov zis: hais txog qhov sib phim ntawm cov chaw nres nkoj nkag / cov zis, thiab cov kev cai rau txhua qhov chaw nres nkoj feem ntau yog 1.2 ~ 1.4;
7. Lub zog ua haujlwm ntev: hais txog lub zog ua haujlwm siab tshaj plaws uas tuaj yeem hla dhau lub coupler no tau ntev (tsis muaj kev puas tsuaj). Feem ntau, lub zog nruab nrab ntawm microstrip coupler yog 30 ~ 70W, thiab qhov ntawm qhov yog 100 ~ 200W.
8. Qhov ntau zaus: feem ntau, qhov zaus nominal yog 800 ~ 2200MHz. Qhov tseeb, qhov zaus band xav tau yog 824-960MHz ntxiv rau 1710 ~ 2200MHz. Qhov nruab nrab zaus band tsis muaj.
9. Hauv band Flatness: hais txog qhov sib txawv ntawm qhov siab tshaj plaws thiab qhov tsawg kawg nkaus coupling degree hauv tag nrho cov zaus band muaj. Microstrip feem ntau yog 0.5 ~ 0.2db. Cavity: txij li thaum qhov coupling degree yog ib qho nkhaus, tsis muaj qhov yuav tsum tau ua li ntawd.
Peb kuj tseem tuaj yeem kho cov khoom siv rf passive raws li koj xav tau. Koj tuaj yeem nkag mus rau nplooj ntawv kho kom raug kom muab cov lus qhia koj xav tau.
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Lub sijhawm tshaj tawm: Lub Ib Hlis-10-2022
