Xov xwm

Sichuan Keenlion Microwave Technology —— Cov khoom siv tsis siv neeg

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.

Cov khoom siv tsis siv zog
Cov khoom siv passive yog ib chav kawm tseem ceeb ntawm cov khoom siv microwave thiab RF, uas ua lub luag haujlwm tseem ceeb heev hauv kev siv tshuab microwave. Cov khoom siv passive feem ntau suav nrog resistors, capacitors, inductors, converters, gradients, matching networks, resonators, filters, mixers thiab switches.

Hom ntaus ntawv
Kev qhia txog hom tsiaj
Cov khoom siv passive feem ntau suav nrog resistors, capacitors, inductors, converters, gradients, matching networks, resonators, filters, mixers thiab switches. Ib qho khoom siv hluav taws xob uas tuaj yeem tso saib nws cov yam ntxwv yam tsis muaj lub zog sab nraud. Cov khoom siv passive feem ntau yog cov khoom siv resistive, inductive thiab capacitive. Lawv qhov tshwj xeeb yog tias lawv tuaj yeem ua haujlwm thaum muaj teeb liab yam tsis ntxiv zog rau hauv lub voj voog.

tus resistor
Thaum ib qho tam sim no hla dhau ib tug conductor, qhov khoom uas lub sab hauv tsis kam ntawm tus conductor cuam tshuam qhov tam sim no hu ua tsis kam. Cov khoom uas ua lub luag haujlwm ntawm kev thaiv tam sim no hauv lub voj voog hu ua resistors, uas hu ua resistors luv luv. Lub hom phiaj tseem ceeb ntawm resistor yog kom txo qhov voltage, faib qhov voltage lossis shunt. Nws yog siv ua load, feedback, coupling, isolation, thiab lwm yam hauv qee lub voj voog tshwj xeeb.
Lub cim ntawm kev tiv thaiv hauv daim duab hluav taws xob yog tsab ntawv R. Lub chav ntsuas ntawm kev tiv thaiv yog Ohm, uas raug sau ua Ω. Feem ntau siv yog kiloohm KΩ thiab megaohm mΩ.
IKΩ = 1000Ω 1MΩ = 1000KΩ

lub capacitor
Lub capacitor kuj yog ib qho ntawm cov khoom siv feem ntau hauv cov hluav taws xob circuits. Nws yog ib qho khoom siv rau khaws cia lub zog hluav taws xob. Lub capacitor yog tsim los ntawm ob lub conductors ntawm tib qhov loj me thiab zoo sandwiched nrog ib txheej ntawm insulating nruab nrab. Thaum lub voltage siv rau ob qho kawg ntawm lub capacitor, lub zog hluav taws xob khaws cia rau ntawm lub capacitor. Thaum tsis muaj voltage, tsuav yog muaj lub voj voog kaw, nws yuav tso tawm lub zog hluav taws xob. Lub capacitor tiv thaiv DC los ntawm kev hla dhau lub voj voog thiab tso cai rau AC hla dhau. Qhov siab dua ntawm zaus ntawm AC, qhov muaj zog dua qhov muaj peev xwm hla dhau. Yog li ntawd, capacitors feem ntau siv hauv cov voj voog rau kev sib txuas, bypass filtering, feedback, timing thiab oscillation.
Tus lej ntawm tus capacitor yog C. Lub chav ntawm capacitance yog farad (sau ua f), uas feem ntau siv μF (micro method), PF (piv txwv li μμF. Pico method).
1F = 1000000μF = 10^6μF = 10^12PF 1μF = 1000000PF
Cov yam ntxwv ntawm capacitance hauv lub voj voog yog nonlinear. Lub impedance rau tam sim no hu ua capacitive reactance. Capacitive reactance yog inversely proportional rau capacitance thiab lub teeb liab zaus.

Tus inductor
Ib yam li capacitance, inductance kuj yog ib qho khoom siv khaws cia lub zog. Feem ntau cov inductors yog ua los ntawm cov kauj. Thaum AC voltage siv rau ob qho kawg ntawm lub kauj, lub zog electromotive induced yog tsim nyob rau hauv lub kauj, uas tiv thaiv cov tam sim no hla lub kauj los ntawm kev hloov pauv. Qhov kev cuam tshuam no hu ua inductive resistance. Lub inductive reactance yog ncaj qha proportional rau inductance thiab zaus ntawm lub teeb liab. Nws tsis cuam tshuam DC tam sim no (tsis hais txog DC tsis kam ntawm lub kauj). Yog li ntawd, lub luag haujlwm ntawm inductance hauv cov hluav taws xob circuits yog: tam sim no thaiv, voltage hloov pauv, coupling thiab phim nrog capacitance rau tuning, filtering, zaus xaiv, zaus faib, thiab lwm yam.
Tus lej ntawm inductance hauv lub voj voog yog L. Lub chav ntawm inductance yog Henry (sau ua H), thiab cov uas siv feem ntau yog milliheng (MH) thiab micro Heng (μH).
1H = 1000mH 1mH = 1000μH
Inductance yog ib qho khoom siv ib txwm muaj ntawm electromagnetic induction thiab electromagnetic conversion. Feem ntau siv rau kev siv transformer.

Kev taw qhia txog kev loj hlob
1. Kev sib xyaw ua ke ntawm cov khoom siv passive yog qhov kev loj hlob yav tom ntej ntawm cov khoom siv passive. Lub module sib xyaw ua ke muab lub peev xwm los sib xyaw cov khoom siv nquag lossis cov modules thiab cov khoom siv passive, thiab ua tau raws li qhov yuav tsum tau ua ntawm kev txo cov module thiab tus nqi qis tib lub sijhawm. Cov txheej txheem tseem ceeb suav nrog: kev siv tshuab ceramic kub tsawg (LTCC), kev siv tshuab zaj duab xis nyias, kev siv tshuab semiconductor silicon wafer, kev siv tshuab circuit board ntau txheej, thiab lwm yam.
2. Kev ua kom me me. Kev nrhiav kev ua kom me me thiab lub teeb yuag hauv kev lag luam wireless xav tau cov khoom siv passive los tsim kho hauv qhov kev taw qhia me dua. Micro electro mechanical system (MEMS) feem ntau yog siv los ua kom cov khoom RF me dua, pheej yig dua, muaj zog dua thiab yooj yim dua rau kev koom ua ke.
3. Cov nyhuv encapsulation. Piv nrog rau cov khoom siv passive uas feem ntau siv rau saum npoo, kev koom ua ke ntawm cov khoom rau hauv pob khoom tuaj yeem txhim kho qhov kev ntseeg siab ntawm lub kaw lus, ua kom txoj kev conductive luv dua, txo cov teebmeem parasitic, txo cov nqi thiab txo qhov loj ntawm cov khoom siv.

Qhov sib txawv ntawm cov khoom siv nquag thiab cov khoom siv tsis siv neeg
Cov khoom siv passive yog cov khoom siv uas tuaj yeem qhia lawv cov yam ntxwv sab nraud ntawm lawv tus kheej yam tsis muaj lub zog sab nraud (DC lossis AC). Tsis tas li ntawd, muaj cov khoom siv nquag. Qhov hu ua "tus yam ntxwv sab nraud" yog piav qhia txog qee qhov kev sib raug zoo ntawm lub cuab yeej, txawm hais tias qhov hluav taws xob lossis tam sim no, lub zog hluav taws xob lossis lub zog sib nqus, lub zog lossis qhov ceev thiab lwm yam yog siv los piav qhia nws txoj kev sib raug zoo.

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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