Anachip
Member level 2
Guys,
Why when we do a small signal analysis for a transistor circuit, we ac ground any bias voltages and also why when we measure the input or output impedance (let say for a common source amplifier), we usually short the output when to find the input impedance and vise versa.
Thanks,
Anachip
Why when we do a small signal analysis for a transistor circuit, we ac ground any bias voltages and also why when we measure the input or output impedance (let say for a common source amplifier), we usually short the output when to find the input impedance and vise versa.
Thanks,
Anachip