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Small Signal with amplitudes less than thermal voltage
Small Signal with amplitudes less than thermal voltage
7 K% J: V& @2 q G7 H' N# lIn 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.
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1 _6 s' L) ~) Q, j- G- uReference: "The SPICE BOOK" by Andrei Vladimirescu, pp1411 j8 k2 j' `& d5 [
; j( q$ a b; d" c8 }: G結論如下:
* p% h- w% ~) ]1 ^: g5 {) X大信號 非線性分析3 n+ C2 Q( _! ?& j
小信號 線性分析& Q+ I. N" N$ |7 q0 k+ Y
小信號是大信號在某一個點的線性近似
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Please visit the following website for more detailed discussion
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" | B0 G3 O1 S8 l$ b3 ~http://www.eetop.cn/bbs/viewthre ... p;extra=&page=1 |
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