\text { : Assume } \beta=\infty \text { (Ignore base current) } \text { - Find all the DC currents, voltages, and } I_{L}^{D C} \text { - Draw small-signal

and find }\left|A_{v d}\right|=\left|\frac{v_{01}-v_{02}}{v_{i d}}\right| \text { - Find } V_{C M}^{M a x}, V_{C M}^{M i n}