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Applied Circuit of Lower-Noise Preamplifier Composed4 ~0 f6 \0 O# I: W
by Unattached Components8 B) G: }. Z' @
" @) X n) |1 k1 J9 ?1 WAbstract:A ccording to series-w ound am plifiers and noise th eory , an applied circuit of low -noise pream plifier
/ P: T* o w7 W; _! Q+ p! Tis designed u sing unattached com ponents. T he result show s that the circuit has low er n oise voltage0 M0 Z& _9 f% Y1 W8 y
than th e low -noise operational am plifiers existed in th e present m arket. It is an idealcircuit of pream plifier7 k; d. {( D: w) y, I0 ~- B) a* P
for th e signal generator w ith low innet resistance.2 c5 _$ n0 Z7 R0 ?( l
w6 j; u5 G# m7 Q! [$ W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
9 |; u1 f0 e; \! L2 x! S8 t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。4 |4 e7 e# ^# B# c; z
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" Z4 ]# a: v' q' H T* x看看中國人的發展唷! 她們的進步空間很大唷! sales price 3RDB1 s& E% d4 {' k/ a+ j% i7 h
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[ 本帖最後由 sjhor 於 2007-5-15 09:25 PM 編輯 ] |
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