In the circuit of the following figure, I2 = I3
= 0.24mA. Neglect channel length modulation and assume b =
100.
a.
Find the
collector current of transistor Q2.
b.
Find the
collector current of transistor Q1.
c.
Find the input
resistance at the base of Q2.
d.
Find the input
resistance at the base of Q1.
e.
Find the
voltage gain vc2/vb2 (vc2 and vb2 are the small-signal
collector and base voltages of transistor Q2, respectively)
f.
Find the
voltage gain vo/vi.
g.
Find the output
resistance Ro.