This thyristor crowbar circuit is a simple, effective method of protecting output against overvoltage. What would happen when the voltage output reaches a "dangerous" level in that circuit? TRI Fuse 10 to 15 volts. 5 volts unregulated voltage ZD1 series pass transistor protected output SCRI C1 RI The SCR over voltage crowbar protection circuit the zener diode ZD1 becomes forward biased, that in turns switches "OFF" the SCR1, that interrupts output current the SCR1 turns "ON" connecting overvoltage to ground the zener diode, ZD1. enters zener regulation region, which causes the output voltage to return to a normal 5V the SCR1 turns "OFF" disconnecting overvoltage from the output

This thyristor crowbar circuit is a simple, effective method of protecting output against overvoltage. What would happen when the voltage output reaches a "dangerous" level in that circuit? TRI Fuse 10 to 15 volts. 5 volts unregulated voltage ZD1 series pass transistor protected output SCRI C1 RI The SCR over voltage crowbar protection circuit the zener diode ZD1 becomes forward biased, that in turns switches "OFF" the SCR1, that interrupts output current the SCR1 turns "ON" connecting overvoltage to ground the zener diode, ZD1. enters zener regulation region, which causes the output voltage to return to a normal 5V the SCR1 turns "OFF" disconnecting overvoltage from the output

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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