Repeat Problem 15 for the emitter-stabilized network of Fig. 9.81.

Problem 15

For the network of Fig. 9.80 :

a. Determine r _e.
b. Find Avmid = V_o/V_i.
c. Calculate Z _i.
d. Determine f_LS, f_LC, and f_LE.
e. Determine the low cutoff frequency.
f. Sketch the asymptotes of the Bode plot defined by the cutoff frequencies of part (d).
g. Sketch the low-frequency response for the amplifier using the results of part (e).

Transcribed Image Text:

20 V Cw; = 7 pF Cc = 6 pF %3D 11 pF Che = 20 pF Cw. %3D Ce = 10 pF 3 k2 470 k2 1 µF Vo V B = 100 1 µF 4.7 k2 0.91 k2 6.8 µF FIG. 9.81