標題: 分立元件設計的低噪聲前置放大器實用電路[簡] [打印本頁] 作者: sjhor 時間: 2007-5-15 09:20 PM 標題: 分立元件設計的低噪聲前置放大器實用電路[簡] Applied Circuit of Lower-Noise Preamplifier Composed ( [: v( X) m# m; a, p( L Yby Unattached Components+ x$ o, I R. W. c- j# ^2 M
5 P$ P+ z5 g9 |+ ^" JAbstract:A ccording to series-w ound am plifiers and noise th eory , an applied circuit of low -noise pream plifier, R, A$ v7 @! _
is designed u sing unattached com ponents. T he result show s that the circuit has low er n oise voltage& d! V! h- O; U7 ?/ e
than th e low -noise operational am plifiers existed in th e present m arket. It is an idealcircuit of pream plifier7 p$ [9 P( D9 u& a b& ^6 k! x3 M% y
for th e signal generator w ith low innet resistance. ! S- D( Z# ~0 J& m( ?3 `/ y 6 }2 p5 K* W3 M- ?8 m3 X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' \" i# V8 _- }/ h2 F2 T: G) 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。 9 W6 ~$ l; G. d# T' |; u ; G- A' ?3 b& D2 _7 T2 |1 V/ ? 9 C9 R {. w# h$ y. O q) f W 7 I- U1 R8 B z4 W看看中國人的發展唷! 她們的進步空間很大唷! sales price 3RDB 7 C3 v) }7 @, P/ o$ V B( \5 T# N1 \: q5 u9 d* w
