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Applied Circuit of Lower-Noise Preamplifier Composed
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J% d6 N6 Y6 R; \5 _9 {2 UAbstract:A ccording to series-w ound am plifiers and noise th eory , an applied circuit of low -noise pream plifier: H, l. r8 S- ]/ W& b3 S4 m% `
is designed u sing unattached com ponents. T he result show s that the circuit has low er n oise voltage
4 N5 s# y( ]4 | r* e& Cthan th e low -noise operational am plifiers existed in th e present m arket. It is an idealcircuit of pream plifier
6 R6 R4 I" f/ t( o; c" ?9 afor th e signal generator w ith low innet resistance.* a& W. b: R! c) c- ^# 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6 |4 [/ w3 n' z [- Y3 V- Q" N4 N' Q
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。' [3 U6 l9 g5 K p4 i+ G
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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 3RDB
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; W" s5 |8 U. d- ?: _2 r7 D# k& n[ 本帖最後由 sjhor 於 2007-5-15 09:25 PM 編輯 ] |
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