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发表于 2011-6-7 10:01:33
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By print the DC operationg point of MOS, you can obtain Vdsat, Vth and Vds. Then compare these two parameters.
If Vdsat>Vds and Vgs>Vth, MOS works at saturation region;
If Vdsat<Vds and Vgs>Vth, MOS works at linear region;
If Vgs<Vth and Ids<0.5nA, MOS cuts off;
If Vgs<Vth and Ids>0.5nA, MOS works at subthreshold region. |
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