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Applied Circuit of Lower-Noise Preamplifier Composed% b4 Z* l9 t, ]( O7 J* Z
by Unattached Components
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: B1 A& [; f3 VAbstract:A ccording to series-w ound am plifiers and noise th eory , an applied circuit of low -noise pream plifier- ~2 k6 b4 {6 K5 ?* \ B6 D
is designed u sing unattached com ponents. T he result show s that the circuit has low er n oise voltage6 ^4 K7 U! t* }/ w) U& F; @4 n
than th e low -noise operational am plifiers existed in th e present m arket. It is an idealcircuit of pream plifier" M/ b5 U& u) S$ [
for th e signal generator w ith low innet resistance.1 p% J. b/ \; f* M
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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
% W$ \3 T0 V& k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。9 X& G5 W5 `0 e) P; G" R' ^
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[ 本帖最後由 sjhor 於 2007-5-15 09:25 PM 編輯 ] |
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