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Applied Circuit of Lower-Noise Preamplifier Composed
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4 t+ i: }0 ~; S: Y. w) A: DAbstract:A ccording to series-w ound am plifiers and noise th eory , an applied circuit of low -noise pream plifier) K* v `, g+ `. y
is designed u sing unattached com ponents. T he result show s that the circuit has low er n oise voltage) Z ]3 k- t o
than th e low -noise operational am plifiers existed in th e present m arket. It is an idealcircuit of pream plifier
/ w: a6 s+ y$ y8 X8 \9 ?$ f3 @for th e signal generator w ith low innet resistance.) f2 i6 @8 t0 t$ _5 j2 H- f/ \
' e, }& J1 o2 h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
2 E" H9 W, I2 d) E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。# }, t3 m& G2 Y- `5 I& {7 B: W
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[ 本帖最後由 sjhor 於 2007-5-15 09:25 PM 編輯 ] |
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