For the emitter-follower (common- collector) amplifier circuit shown in Fig. 1, determine: (a) Voltage gain, A, = V./V;, (b) Current gain, A; =1,/I; (c) Inputimpedance, Z; and (d) Output impedance, Z,. Assume that: B =hp.=100, re=30Q, and h;e = f.r.=3kQ. Hint: Solve the homework and draw the ac equivalent circuit by using r. or h model.
Extracted text: For the emitter-follower (common- collector) amplifier circuit shown in Fig. 1, determine: +Vc R120kN Cs (a) Voltage gain, A, = V/Vi, (b) Current gain, A; IJI; (c) Input impedance, Z, and (d) Output impedance, Z,. Cc Assume that: R,30k2 RE2.2k2 B = he = 100, re= 30 2, and hje = B.r. = 3 k2. Hint: Solve the homework and draw Fig. 1 the ac equivalent circuit by using re or h model.