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Chapter: Electronic Circuits - JFET and MOSFET Amplifiers

Common source amplifier with self bias (unbypassed Rs)

Now Rs will be the part of low frequency equivalent model as shown in figure.

Common source amplifier with self bias (unbypassed Rs)



Now Rs will be the part of low frequency equivalent model as shown in figure.


Fig3.8 Small signal model for Common source amplifier model of JFET

 

Input Impedance Zi

 

Zi = RG

 

Output Impedance Zo

 

It is given by



Voltage gain (Av)

 

It is given by

 




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Electronic Circuits - JFET and MOSFET Amplifiers : Common source amplifier with self bias (unbypassed Rs) |


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