Question Q13: The self-bias configuration shown below has an operating point defined by Vaso = -2.6 V and lno = 2.6 mA with loss = 8 mA and Vp=-6 V. The network is redrawn as Figure below with an applied signal Vi. The value of gos is given as 20 ms a Determine gm b. Find d c. Find Z d. Calculate Zo with and without the effects of rd. Compare the results e. Calculate A v with and without the effects of rd. Compare the results. 15 Marks 20 V R. 3 C D sm w R3 I MARI

GJYBKA The Asker · Electrical Engineering

Transcribed Image Text: Q13: The self-bias configuration shown below has an operating point defined by Vaso = -2.6 V and lno = 2.6 mA with loss = 8 mA and Vp=-6 V. The network is redrawn as Figure below with an applied signal Vi. The value of gos is given as 20 ms a Determine gm b. Find d c. Find Z d. Calculate Zo with and without the effects of rd. Compare the results e. Calculate A v with and without the effects of rd. Compare the results. 15 Marks 20 V R. 3 C D sm w R3 I MARI
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Transcribed Image Text: Q13: The self-bias configuration shown below has an operating point defined by Vaso = -2.6 V and lno = 2.6 mA with loss = 8 mA and Vp=-6 V. The network is redrawn as Figure below with an applied signal Vi. The value of gos is given as 20 ms a Determine gm b. Find d c. Find Z d. Calculate Zo with and without the effects of rd. Compare the results e. Calculate A v with and without the effects of rd. Compare the results. 15 Marks 20 V R. 3 C D sm w R3 I MARI
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213(1)(a){:[g_(m)=(del Ids)/(del vgs)],[Ids=Idss[1-(vgs)/(vp)]^(2)],[(del Ids)/(del vgs)=(2Idss)/(1vpl)[1-(vgs)/(vp)]],[g_(m)=(2**g)/(6)[1-(2.6)/(6)]],[g_(m)=1.52ms]:}(b){:[rd=(VP+V_(Ds))/(I_(ds))],[V_(0s)=20-4.3**2.6],[U_(D_(S))=8.82v],[gamma d=(6+8.82)/(2.6)kOmega],[gamma d=507kOmega]:}(c) Zin = inpert ResistanceSmall signal Equi valit cintCS Scanned with CamScanner{:[z_(in)=(V_(in))/(I_(g))=(V_(in))/(0)=oo Omega],[z_(in)=oo Omega],[z_(in)^(')=z_("in ")||R_(G)=oo||(mOmega)],[z_("in ")=1m Omega]:}1/p impedence seen from source(d) calculating zo without rd [output impedence]The small signal equivalent circect{:[v_("in ")=0],[v_(s)+v_(s)=v_(in)=0],[v_(s)=-v_(s)],[v_(S)=9mv_(s)R_(S)],[vgs=-v_(s)=-9mv_(s)R_(S)],[vgs[1+g_(m)R_(s)]=0],[v_(gs)=0.],[g_(m)vgs=0],[Z_(0)=(v)/(I)=R_(D)=3.3kOmega]:}CS Scanned with CamScanner(d) with outpo ... See the full answer