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Calculate IDQ,VGSQ,VDSQ.IDSS=8mA,VP=4V

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Mumbai University > EXTC > Sem 3 > Analog Electronics 1

Marks: 5 M

Year: Nov 2013

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  • This is an feedback arrangement. IG=0mA and V1M=0V the dc equivalent circuit is

Fig1 DC equivalent circuit

Fig1 DC equivalent circuit

  • Now from diagram we can clearly notice that VS=0 and since there is direct connection between gate and drain VG=VD(VGS=VDS)

1. Calculation for VG,VS,ID

VD=VDDIDRD

ThusVG=VDDIDRD(1)

ID=IDSS(1VGSVp)2

ID=IDSS(1VGVp)2

$I_D=I_{DSS}(1-\frac{-I_D×R_D+V_{DD …

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