current gain, input resistance, output resistance using hybrid-π model which include early effects.

Mumbai University > Electronics and telecommunication engineering > Sem 3 > Analog electronics 1

Marks: M

Years: Dec 14

Common emitter amplifier with voltage divider bias with bypassed emitter resistance with ac equivalent circuit is as shown in fig 4.7(b).

The hybrid π equivalent circuit is as shown below

For voltage gain $A_vs$:

$A_vs = \frac{V_o}{Vs}$

$V_o$ is voltage developed across ($r_o ||R_C ||R_L$) due to current $g_m …