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Small Signal with amplitudes less than thermal voltage
Small Signal with amplitudes less than thermal voltage& u# C8 z) J* u# z# S' B7 l" W
In AC mode SPICE computes the frequency response of linear circuits. Small input signals, with amplitudes less than the thermal voltage, Vth=KT/q, are assumed for nonlinear circuits that are linearized around the DC operating point.2 R/ |. G, y0 M R( v
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Reference: "The SPICE BOOK" by Andrei Vladimirescu, pp1413 q, D' ^+ p0 }' w! _# C. l
# R. ]- ?/ J; T' V ~0 Q結論如下: F- M! Z2 ?5 z. l# u4 P& |
大信號 非線性分析! q0 e4 W! O1 ?$ A
小信號 線性分析% Z" T4 l! N2 B: T* _- H* R
小信號是大信號在某一個點的線性近似
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: d7 Q* Z+ X8 y6 CPlease visit the following website for more detailed discussion
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. }4 n8 T( _" W) ^/ ^http://www.eetop.cn/bbs/viewthre ... p;extra=&page=1 |
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