The operational amplifier circuit shown in the figure is a two-stage amplifier circuit. 1. Find the voltage VÅ, at point B (in the first stage amplifier)? 2. Calculate the value of the output voltage of the first stage amplifier Vo1? 3. Find the value of the resistance R2 such that the output of the circuit Vo2 = −600 V? 100 ΚΩ 1.5 V 3V 4V 4 ΚΩ 10 kQ 8 ΚΩ Vo1 SLD B A 2kQ Vo2 12 ΚΩ R2

The operational amplifier circuit shown in the figure is a two-stage amplifier circuit. 1. Find the voltage VÅ, at point B (in the first stage amplifier)? 2. Calculate the value of the output voltage of the first stage amplifier Vo1? 3. Find the value of the resistance R2 such that the output of the circuit Vo2 = −600 V? 100 ΚΩ 1.5 V 3V 4V 4 ΚΩ 10 kQ 8 ΚΩ Vo1 SLD B A 2kQ Vo2 12 ΚΩ R2

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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Concept explainers

Multistage Amplifier

The multistage amplifier is generally a voltage or power amplifier. The multistage amplifier has a number of single stage amplifier that are cascaded together. Since a single stage amplifier output is not useful, they are being replaced with multistage amplifiers or multistage transistor amplifiers. The multistage amplifier are used where the gain required is high or the input signal is very small such that only a single stage amplifier cannot amplify it.

Question

The operational amplifier circuit shown in the figure is a two-stage amplifier circuit.
1. Find the voltage VÅ, at point B (in the first stage amplifier)?
2. Calculate the value of the output voltage of the first stage amplifier Vo1?
3. Find the value of the resistance R2 such that the output of the circuit Vo2 = −600 V?
100 ΚΩ
Vo1
30.4
A
1.5 V
3V
4V
4 ΚΩ
10 kQ
8 ΚΩ
B
2kQ
Vo2
12 kQ
R2

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