Q3. A relaxation oscillator is to generate train of pulses that is used to fire a Thyristor circuit in acontrolled rectifier and, it is known that the external capacitor C=0.1uF and firing pulses aretaken across 1200 with the following data of the relaxation oscillator.VBB=15V; RBB=4.7ko; =0.7; the valley voltage is=0.9V; Ip=10µA; the valley current is=12mA; RB1 duringdischarge =900Determine the followings;į. The value of Vp to switch-on the UJT;ii. The range of R, to switch-on and switch-off the UJT;iii. Frequency of oscillation with drawing;

Answered: Image /qna-images/answer/848323c0-e0ea-4af3-bed2-8f77b19eb8ee.jpg

Q3. A relaxation oscillator is to generate train of pulses that is used to fire a Thyristor circuit in a controlled rectifier and, it is known that the external capacitor C=0.1uF and firing pulses are taken across 120n with the following data of the relaxation oscillator. VBB=15V; Rg8=4.7k; ;-0.7; the valley voltage is=0.9V; l,-10µA; the valley current is=12mA; Re1 during discharge =900 Determine the followings; į. The value of Vp to switch-on the UJT; ii. The range of R1 to switch-on and switch-off the UJT; iii. Frequency of oscillation with drawing;

Q3. A relaxation oscillator is to generate train of pulses that is used to fire a Thyristor circuit in a controlled rectifier and, it is known that the external capacitor C=0.1uF and firing pulses are taken across 120n with the following data of the relaxation oscillator. VBB=15V; Rg8=4.7k; ;-0.7; the valley voltage is=0.9V; l,-10µA; the valley current is=12mA; Re1 during discharge =900 Determine the followings; į. The value of Vp to switch-on the UJT; ii. The range of R1 to switch-on and switch-off the UJT; iii. Frequency of oscillation with drawing;

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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