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Cov cim qhia txog kev siv tshuab

Cov ntsuas kev siv tshuab ntawm cov khoom faib hluav taws xob suav nrog ntau zaus, lub zog nqa, kev faib tawm poob ntawm lub voj voog tseem ceeb mus rau ceg, kev nkag poob ntawm cov tswv yim thiab cov zis, kev sib cais ntawm cov chaw nres nkoj ceg, qhov sib piv ntawm cov hluav taws xob sawv ntsug ntawm txhua qhov chaw nres nkoj, thiab lwm yam.

1. Zaus ntau yam:Qhov no yog lub hauv paus ua haujlwm ntawm ntau yam RF / microwave circuits. Cov qauv tsim ntawm lub zog faib hluav taws xob muaj feem cuam tshuam nrog qhov zaus ua haujlwm. Qhov zaus ua haujlwm ntawm lub zog faib hluav taws xob yuav tsum tau txhais ua ntej qhov kev tsim qauv hauv qab no tuaj yeem ua tiav.

2. Lub zog nqa:Hauv lub tshuab faib hluav taws xob / tshuab ua hluav taws xob muaj zog siab, lub zog siab tshaj plaws uas lub voj voog tuaj yeem dais tau yog qhov ntsuas tseem ceeb, uas txiav txim siab seb hom kab xa hluav taws xob twg tuaj yeem siv los ua tiav txoj haujlwm tsim. Feem ntau, qhov kev txiav txim ntawm lub zog uas kab xa hluav taws xob nqa los ntawm me mus rau loj yog microstrip kab, stripline, coaxial kab, air stripline thiab air coaxial kab. Yuav tsum xaiv kab twg raws li txoj haujlwm tsim.

3. Kev poob ntawm kev faib khoom:Qhov kev poob ntawm kev faib tawm ntawm lub voj voog tseem ceeb mus rau lub voj voog ceg yog qhov tseem ceeb cuam tshuam nrog qhov piv ntawm kev faib hluav taws xob ntawm tus neeg faib hluav taws xob. Piv txwv li, qhov kev poob ntawm kev faib tawm ntawm ob lub faib hluav taws xob sib npaug yog 3dB thiab ntawm plaub lub faib hluav taws xob sib npaug yog 6dB.

4. Kev poob ntawm kev ntxig:qhov kev poob ntawm qhov nkag thiab qhov tso zis yog tshwm sim los ntawm qhov tsis zoo ntawm dielectric lossis tus neeg coj ntawm txoj kab xa xov (xws li kab microstrip) thiab xav txog qhov piv ntawm nthwv dej sawv ntawm qhov kawg ntawm qhov nkag.

5. Kev rho tawm degree:Qhov degree ntawm kev sib cais ntawm cov ceg chaw nres nkoj yog lwm qhov tseem ceeb ntawm kev faib hluav taws xob. Yog tias lub zog nkag los ntawm txhua ceg chaw nres nkoj tsuas yog tuaj yeem tso tawm los ntawm qhov chaw nres nkoj tseem ceeb thiab yuav tsum tsis txhob tso tawm los ntawm lwm ceg, nws yuav tsum muaj kev sib cais txaus ntawm cov ceg.

6. VSWR:qhov me dua VSWR ntawm txhua qhov chaw nres nkoj, qhov zoo dua.