Answered: gure 1 illustrates a BJT amplifier with…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Question

Figure 1 illustrates a BJT amplifier with voltage gain of -115.

a) Identify the capacitors in Figure 1, whose influences are negligible when considering the frequency response over high frequency range of > 1MHz. Explain briefly the reason.

b) Identify the capacitor that needs treatment using the principle of "Miller effect capacitance". Calculate the input and output capacitances.

c) Determine the upper-cut off frequency of the circuit, which is due to the output of the network only

5092
R
230kΩ || R,
1.5 μµF
HE
Cs
3V
5pF
5pF
Figure 1
R.3kQ2
C
HH
1.2 μF
HH
Cc
15pF
R₂3kQ2

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