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Applied Circuit of Lower-Noise Preamplifier Composed% M. j" {' f5 A* N' C
by Unattached Components
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2 ]! t% Q1 D$ B0 Z" H9 eAbstract:A ccording to series-w ound am plifiers and noise th eory , an applied circuit of low -noise pream plifier
8 ~4 G' r5 e2 j! {is designed u sing unattached com ponents. T he result show s that the circuit has low er n oise voltage; G8 V3 P* f( z' ?
than th e low -noise operational am plifiers existed in th e present m arket. It is an idealcircuit of pream plifier$ }+ ]: q: B+ }! u+ X" ^6 P) W
for th e signal generator w ith low innet resistance.# x+ t- b8 V- K- [
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摘 要:根据��网�及噪�理�,本文采用分立元件��了一种低噪�前置放大器�用�路.���果表明��路比目前3 z2 i& p% i" y2 t% I
市�上低噪��放具有更低的噪���,是一种适于低�阻信�源�理想的低噪�前置放大器�路。
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看看中國人的發展唷! 她們的進步空間很大唷! sales price 3RDB2 Q, o5 F' D& |' B! O4 S1 w |4 a# ?
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[ 本帖最後由 sjhor 於 2007-5-15 09:25 PM 編輯 ] |
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