EE 330 Lect 25 Fall 2011

EE 330 Lect 25 Fall 2011 - EE 330 Lecture 25 Small Signal...

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EE 330 Lecture 25 Small Signal Modeling
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Small signal analysis example V DD R M 1 V IN V OUT V SS V IN =V M sin ω t 2 OX OX OUT DD SS T SS T M μC W μC W V V V V R V V R V sin t 2L L Quiescent Output ss Voltage Gain OX v SS T μC W A V V R L Assume M 1 operating in saturation region 2 OX OUTQ DD SS T μC W V V V V R 2L OUT OUTQ V M V V A V sin t Note the ss voltage gain is negative since V SS +V T <0! Review from Last Lecture
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