Sichuan Keenlion Microwave Technology--Cov lim
Sichuan Keenlion Microwave Technology Founded hauv 2004, Sichuan Keenlion Mircrowave techenology CO., Ltd. yog cov chaw tsim khoom ntawm Passive Mircrowave Cheebtsam hauv Sichuan Chengdu, Suav.
Peb muab cov khoom siv hluav taws xob ua haujlwm siab thiab cov kev pabcuam cuam tshuam rau kev siv microwave hauv tsev thiab txawv teb chaws. Cov khoom lag luam muaj txiaj ntsig zoo, suav nrog ntau lub zog faib hluav taws xob, kev coj ua sib txuas, cov ntxaij lim dej, cov khoom sib txuas, duplexers, customized passive Cheebtsam, cais thiab circulators. Peb cov khoom tsim tshwj xeeb tsim rau ntau qhov chaw huab cua thiab qhov kub thiab txias. Cov lus qhia tshwj xeeb tuaj yeem tsim raws li cov neeg siv khoom xav tau thiab siv tau rau txhua tus qauv thiab nrov zaus bands nrog ntau qhov bandwidths los ntawm DC mus rau 50GHz.
Lub tshuab lim tuaj yeem lim tawm qhov zaus ntawm ib qho zaus ntawm lub hwj chim qaum lossis qhov zaus uas tsis yog qhov zaus taw tes, tau txais lub zog hluav taws xob teeb liab ntawm qee zaus, lossis tshem tawm cov teeb liab tshwj xeeb ntawm lub zog.
Taw qhia
Cov lim dej yog cov khoom siv xaiv uas tso cai rau cov khoom siv zaus tshwj xeeb hauv lub teeb liab kom dhau, thiab lwm yam khoom siv zaus tau txo qis heev. Qhov kev xaiv no siv cov lim dej tuaj yeem lim tawm ntawm cov suab nrov cuam tshuam lossis ua spectrum tsom xam. Hauv lwm lo lus, nws yog hu ua lub lim uas tuaj yeem ua rau muaj qhov sib txawv ntawm cov teeb liab kom dhau, thiab ua rau muaj kev cuam tshuam ntau heev los yog ua rau lwm yam zaus. Cov lim dej yog ib qho khoom siv uas lim los ntawm nthwv dej. "Wave" yog lub tswv yim dav dav ntawm lub cev, hauv kev siv tshuab hluav taws xob, "yoj" yog nqaim txwv rau cov txheej txheem ntawm kev rho tawm tus nqi ntawm ntau lub cev lub sijhawm. Cov txheej txheem yog hloov mus rau hauv lub sijhawm ua haujlwm ntawm qhov hluav taws xob lossis tam sim no los ntawm ntau yam ntawm lub cev, lossis cov teeb liab. Txij li thaum lub sijhawm hloov pauv tus kheej yog tus nqi tas mus li, nws yog hu ua lub sijhawm txuas ntxiv, thiab nws tau raug xa mus rau qhov teeb meem analog.
Kev lim dej yog lub tswv yim tseem ceeb hauv kev ua cov teeb liab, thiab kev ua haujlwm ntawm kev lim dej hauv DC voltage regulator yog txo cov AC tivthaiv hauv DC voltage raws li qhov ua tau, khaws nws cov khoom siv DC, kom cov zis voltage ripple coefficient qis dua, lub waveform ua Smooth.
Tnws lub ntsiab parameter:
Center zaus: zaus f0 ntawm lub lim passband, feem ntau coj f0 = (f1 + f2) / 2, f1, f2 raws li ib tug band pass los yog band tsis kam lim sab laug, txoj cai opposite rau 1 dB los yog 3DB ntug zaus taw tes. Cov lim nqa nqaim feem ntau suav cov passband bandwidth nrog rau qhov tsawg tshaj plaws ntawm qhov kev tso qhov poob.
Hnub Kawg: Xa mus rau txoj kev mus rau txoj kev passband ntawm lub low pass filter thiab pass band ntawm high pass lim. Nws feem ntau txhais tau hais tias tus txheeb ze poob taw tes ntawm 1 dB lossis 3DB. Cov ntaub ntawv hais txog kev siv cov txheeb ze poob yog: qhov tsawg dhau yog raws li DC qhov ntxig, thiab Qualcomm yog raws li qhov txaus siab dhau ntawm cov kab mob parasitic.
Passband bandwidth: hais txog qhov dav spectrum yuav tsum dhau, BW = (F2-F1). F1, F2 yog raws li qhov poob ntawm qhov chaw zaus F0.
Insertion poob: Vim yog qhov kev taw qhia ntawm lub lim mus rau qhov chaw ntawm lub teeb liab thawj zaug hauv Circuit Court, qhov poob hauv qhov chaw los yog txiav tawm zaus, xws li yuav tsum muaj tag nrho cov qhab poob los hais txog.
Ripple: Xa mus rau 1DB lossis 3DB bandwidth (kev txiav tawm zaus) ntau yam, qhov ntxig poob hloov pauv qhov siab kawg ntawm qhov zaus ntawm qhov poob txhais tau tias nkhaus.
Internal fluctuations: Insertion poob nyob rau hauv lub band nrog zaus variations. Qhov sib txawv ntawm qhov bandwidth yog 1db.
Nyob rau hauv-band standby: Ntsuas seb lub teeb liab nyob rau hauv lub passband nyob rau hauv lub lim yog zoo kom phim lub kis tau tus mob. Qhov zoo tshaj plaws Match VSWR = 1: 1, VSWR ntau dua 1 thaum tsis sib haum. Rau qhov tseeb lim, qhov bandwidth txaus siab rau VSWR yog tsawg dua 1.5: 1 feem ntau tsawg dua BW3DB, uas suav nrog qhov feem ntawm BW3DB thiab lim kev txiav txim thiab ntxig poob.
Roop poob: Tus naj npawb ntawm decibels (DB) piv ntawm qhov chaw nres nkoj teeb liab input fais fab thiab lub zog reflected yog sib npaug rau 20 Log 10ρ, ρ yog qhov voltage reflection coefficient. Qhov rov qab poob yog infinite thaum lub zog input absorbed los ntawm qhov chaw nres nkoj.
Reproduction ntawm lub strip suppression: ib qho tseem ceeb qhia txog qhov zoo ntawm cov lim xaiv kev ua tau zoo. Qhov siab dua qhov taw qhia, qhov zoo dua qhov kev cuam tshuam sab nrauv teeb liab tsuj. Feem ntau muaj ob hom kev tawm tswv yim: ib txoj hauv kev los tiv thaiv ntau npaum li cas DB inhibition ntawm ib tug muab band hla zaus fs, txoj kev xam yog FS txo; Lwm qhov taw qhia rau lub tswv yim ntawm lub cim lim threading thiab cov duab plaub zoo tshaj plaws - Rectangular coefficient (KXDB ntau dua 1), KXDB = BWXDB / BW3DB, (X tuaj yeem yog 40dB, 30dB, 20DB, thiab lwm yam). Cov duab plaub ntau dua, qhov ntau dua cov duab plaub - uas yog, ze rau qhov zoo tagnrho tus nqi 1, thiab qhov nyuaj ntawm kev tsim khoom yog qhov loj dua.
ncua: Lub teeb liab hais txog lub sijhawm xav tau rau lub teeb liab xa mus rau theem ua haujlwm kab pheeb ces kaum, uas yog, TD = DF / DV.
Nyob rau hauv-band theem linearity: Qhov taw qhia tus cwj pwm lim dej no yog qhov cuam tshuam ntawm theem ntawm cov teeb liab kis hauv lub passband. Cov lim tsim los ntawm cov kab tawm theem teb muaj nuj nqi muaj cov theem zoo linearity.
Kev faib loj
Muab faib ua cov lim analog thiab cov lim digital raws li cov teeb liab ua tiav.
Txoj kev hla dhau ntawm cov lim passive tau muab faib ua qis dhau, siab dhau, bandpass, thiab tag nrho-pass lim.
Low pass filter:nws tso cai rau tsawg zaus los yog DC Cheebtsam nyob rau hauv lub teeb liab kom dhau, suppress high zaus Cheebtsam los yog cuam tshuam thiab suab nrov;
High-pass lim: nws tso cai rau cov khoom siv ntau zaus hauv lub teeb liab kom dhau, txwv tsis pub muaj zaus lossis DC Cheebtsam;
Band Pass Filter: Nws tso cai rau cov teeb liab hla dhau, txwv tsis pub muaj teeb meem, cuam tshuam, thiab suab nrov hauv qab lossis saum toj ntawm pawg;
Beltable lim: Nws suppresses cov teeb liab nyob rau hauv ib tug tej zaus band tso cai rau cov teeb liab uas tsis yog lub band, kuj hu ua ib tug notch lim.
All-pass filter: Tag nrho-pass lim txhais tau hais tias lub amplitude ntawm lub teeb liab yuav tsis hloov nyob rau hauv tag nrho cov ntau yam, uas yog, lub amplitude nce ntawm tag nrho cov ntau yog sib npaug rau 1. General all-pass filters yog siv rau theem theem, uas yog, lub theem ntawm cov input teeb liab hloov, thiab qhov zoo tagnrho yog lub theem hloov yog proportional rau lub zaus, uas yog sib npaug rau lub sij hawm ncua.
Ob qho khoom siv yog ob qho tib si passive thiab nquag lim.
Nyob ntawm qhov chaw ntawm lub lim, nws feem ntau muab faib ua lub phaj lim thiab lub vaj huam sib luag lim.
Ntawm lub rooj tsavxwm, nruab rau ntawm lub rooj tsavxwm, xws li PLB, JLB series lim. Qhov zoo ntawm cov lim dej no yog kev lag luam, thiab qhov tsis zoo yog qhov kev lim dej ntau zaus tsis zoo. Nws lub ntsiab yog vim li cas:
1. Tsis muaj kev sib cais ntawm qhov kev tawm tswv yim thiab cov khoom tawm ntawm cov lim dej, uas yog nquag coupling;
2, lub grounding impedance ntawm lub lim tsis tsawg heev, tsis muaj zog lub siab zaus bypass nyhuv;
3, ib qho kev sib txuas ntawm cov lim dej thiab lub chassis yuav ua rau muaj kev cuam tshuam tsis zoo: ib qho yog qhov cuam tshuam ntawm electromagnetic cuam tshuam ntawm qhov chaw sab hauv ntawm lub chassis, uas yog ncaj qha cuam tshuam rau cov kab no, raws li cov kab hluav taws xob, thiab tawg lub lim los ntawm kev siv hluav taws xob cable. Ua tsis tiav; lwm qhov yog tias qhov cuam tshuam sab nraud yog lim los ntawm cov lim lim ntawm lub rooj tsavxwm, lossis cov hluav taws xob hluav taws xob yog tsim los ncaj qha los yog ncaj qha mus rau lub voj voog ntawm lub rooj tsavxwm, ua rau muaj teeb meem rhiab heev;
Lim array daim hlau, lim connectors thiab lwm yam vaj huam sib luag cov ntxaij lim dej feem ntau mounted rau ntawm cov hlau vaj huam sib luag ntawm shielding chassis. Txij li thaum nws tau ncaj qha ntsia rau ntawm lub vaj huam sib luag hlau, cov tswv yim thiab cov zis ntawm lub lim tau raug cais tawm tag nrho, cov av tau zoo hauv av, thiab kev cuam tshuam ntawm lub cable yog lim hla lub chassis chaw nres nkoj, yog li cov nyhuv lim dej yog qhov zoo tagnrho.
Cov lim dej tsis zoo yog lub lim dej uas siv cov khoom siv hluav taws xob, lub reactor, thiab cov khoom siv capacitor. Thaum lub resonant zaus, qhov Circuit Court impedance tus nqi tsawg tsawg, thiab lub Circuit Court impedance loj, lub Circuit Court tivthaiv tus nqi yog hloov mus rau ib tug feature harmonic zaus, thiab cov harmonic tam sim no yuav lim tawm; Thaum ob peb harmonic frequenses Lub tuning Circuit Court yog tsim, ces tus coj feature harmonic zaus yuav lim, thiab filtering lub ntsiab tooj harmonic (3, 5, 7) yog tiav los ntawm tsawg impedance bypass. Lub hauv paus ntsiab lus tseem ceeb yog rau ntau yam sib txawv, tsim kom muaj kev sib haum xeeb me me, ua tiav cov txiaj ntsig ntawm kev sib haum xeeb tam sim no, muab ib qho kev hla mus rau prefiltered siab harmonics kom ua tiav purification waveform.
Cov lim dej tsis zoo tuaj yeem muab faib ua cov lim dej capacitive, fais fab nroj tsuag lim circuits, L-RC lim circuits, π-shaped RC lim circuits, multi-section RC lim circuits, thiab π-shaped LC filtering circuits. Nias kom ua haujlwm rau hauv ib lub lim dej ib zaug, ob lub lim dej, thiab cov lim siab dhau. Cov lim dej passive muaj cov txiaj ntsig zoo hauv qab no: cov qauv yooj yim, cov nqi peev tsawg, thiab cov khoom siv hluav taws xob hauv lub cev tuaj yeem them nyiaj rau lub zog hauv lub cev. Nws txhim kho lub zog ntawm daim phiaj; kev ruaj ntseg ua haujlwm siab, kev saib xyuas yog yooj yim, kev maturation, thiab lwm yam. Nws yog dav siv. Muaj ntau yam ntawm qhov tsis txaus ntawm cov lim dej tsis zoo: qhov cuam tshuam ntawm cov kab hluav taws xob tsis sib xws, qhov system impedance tus nqi thiab cov naj npawb tseem ceeb ntawm resonant zaus feem ntau hloov raws li kev ua haujlwm; lub lim dej sib haum xeeb yog nqaim, tsuas yog tus naj npawb tseem ceeb ntawm lub sijhawm tseem ceeb tsuas tuaj yeem lim tawm Harmonics, lossis vim yog cov khoom seem sib luag, amplifying harmonics; kev sib koom ua ke ntawm kev lim dej thiab cov nyiaj them rov qab thiab kev tswj xyuas siab; raws li qhov tam sim no ntws los ntawm lub lim, nws yuav ua rau muaj kev ua haujlwm dhau ntawm cov khoom siv; Cov khoom siv tau ntau dua, qhov hnyav thiab ntim loj; kev ua haujlwm ruaj khov tsis zoo. Yog li ntawd, lub lim dej ua haujlwm nrog kev ua haujlwm zoo dua yog siv ntau thiab ntau dua.
Peb kuj tuaj yeem kho cov rf passive Cheebtsam raws li koj xav tau. Koj tuaj yeem nkag mus rau nplooj ntawv customization los muab cov kev qhia tshwj xeeb uas koj xav tau.
https://www.keenlion.com/customization/
Emali:
sales@keenlion.com
tom@keenlion.com
Post lub sij hawm: Feb-09-2022
