Repeat the analysis of problem 15 for the network of Fig. 9.80with the addition of a source resistance and signal source as shown in Fig. 9.84 . Plot the gain Avs = VoVs and comment on the change in low-frequency cutoff as compared to problem 15. 15. For the network of Fig. 9.80:a. Determine r.b. Find Aa = Vo/Vi-c. Calculate Z¡.d. Determine fL, fLe and fLɛ-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).14 VCwi5 pF Che = 12 pF8 pF Che = 40 pFCw.%3DCe = 8 pF5.6 k268 kN0.47 μΕB = 1200.47 μF3.3 k210 ΚΩ1.2 ΚΩ): 20 µF0.47 µFFIG. 9.80Problems 15, 19, 27, and 38. 0.82 k2FIG. 9.84Modification of Fig. 9.80.Problem 19.

As per our policy i have attempted first three sub-parts Given data: β=120R1=68 kΩR2=10 kΩ

Answered: 15. For the network of Fig. 9.80: a.…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

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Repeat the analysis of problem 15 for the network of Fig. 9.80with the addition of a source resistance and signal source as shown in Fig. 9.84 . Plot the gain Avs = Vo Vs and comment on the change in low-frequency cutoff as compared to problem 15.

15. For the network of Fig. 9.80:
a. Determine r.
b. Find Aa = Vo/Vi-
c. Calculate Z¡.
d. Determine fL, fLe and fLɛ-
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).
14 V
Cwi
5 pF Che = 12 pF
8 pF Che = 40 pF
Cw.
%3D
Ce = 8 pF
5.6 k2
68 kN
0.47 μΕ
B = 120
0.47 μF
3.3 k2
10 ΚΩ
1.2 ΚΩ)
: 20 µF
0.47 µF
FIG. 9.80
Problems 15, 19, 27, and 38.

0.82 k2
FIG. 9.84
Modification of Fig. 9.80.
Problem 19.

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