$<mn>2</mn><mn>5</mn>$p$>$ For the circuit shown,

$VcC=15V,R_E=470,R_2=,$

$r_e=26m\frac{V}{I_E},r_0=,Rs=0,RC$

$=2\mathrm{.}2k,R_L=12k,CS=2\mathrm{.}2$

$F,C_E=100F,CC=1F$ and $$

$=100,$ silicon transistor.

a$.$ Determine the value of $R_1$

to have $I_{CQ}=2mA$

b$.$ Calculate $V_{CQ}$ and $V_{\text{C}\text{E}\text{Q}}$

c$.$ Calculate input and output impedances with and without $C_E$

d$.$ Calculate the critical frequency due to $C_E$

e$.$ Determine the AC voltage gain Vo$/$Vi with and without $C_E.$