For the common-base configuration of Fig. 5.18, the dc emitter current is 3.2 mA and α is...

For the common-base configuration of Fig. 5.18, the dc emitter current is 3.2 mA and α is 0.99. Determine the following if the applied voltage is 48 mV and the load is 2.2 kΩ.

a. r_e.

b. Z_i.

c. I_c.

d. V_o.

e. A_v.

f. I_b.

FIG. 5.18 Common base r_e equivalent circuit.