4.(d) the eedbaCalculate the oscillator frequency.Determine the necessary value of R₂ in Figure 16-57 so that the circuit will oscillate. Neglectthe forward resistance of the zener diodes. (Hint: The total gain of the circuit must be 3 whenthe zener diodes are conducting.)Explain the purpose of R3 in Figure 16-57.R₁100 kQR2wwwww-lR$1.0 ΚΩD₁t6.8 V 6.8 VR3www47 kQenfrenD₂www‡www.C₁0.015 FR$WWW1.0 knC₂0.015 FV₁

Answered: (d) the feedback chat must be capac…

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

4.
(d) the eedba
Calculate the oscillator frequency.
Determine the necessary value of R₂ in Figure 16-57 so that the circuit will oscillate. Neglect
the forward resistance of the zener diodes. (Hint: The total gain of the circuit must be 3 when
the zener diodes are conducting.)
Explain the purpose of R3 in Figure 16-57.
R₁
100 kQ
R2
www
ww-l
R$
1.0 ΚΩ
D₁
t
6.8 V 6.8 V
R3
www
47 kQ
enfren
D₂
www
‡
www.
C₁
0.015 F
R$
WWW
1.0 kn
C₂
0.015 F
V₁

Expert Solution

Step 1: Summarize the given details

An operational amplifier, often abbreviated as "op-amp," is an essential and versatile electronic component used in a wide range of analog electronic circuits. Op-amps are high-gain voltage amplifiers with two input terminals (inverting and non-inverting) and one output terminal.

Given

The total gain of the circuit is,

$A subscript d equals 3$ .

To find out

1. The necessary value of $R subscript 2$ .

2. Explain the Purpose of $R subscript 3$ .

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