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An op-amp comparator in a firing circuit can produce waveforms at the output of up to 28 V peak-to-peak without any distortion. An inverse cosine-based firing circuit with a voltage range from +14 to -14 (reference voltage) is used to produce a gating signal for the SCR at the desired delay angle. if the desired firing angle is 120 degrees, the reference voltage must be: O A. 12 OB.-7 O C. None of the other choices are correct O D.-12 O E. 7

An op-amp comparator in a firing circuit can produce waveforms at the output of up to 28 V peak-to-peak without any distortion. An inverse cosine-based firing circuit with a voltage range from +14 to -14 (reference voltage) is used to produce a gating signal for the SCR at the desired delay angle. if the desired firing angle is 120 degrees, the reference voltage must be: O A. 12 OB.-7 O C. None of the other choices are correct O D.-12 O E. 7

Introductory Circuit Analysis (13th Edition)
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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An op-amp comparator in a firing circuit can produce waveforms at the output of up to 28 V peak-to-peak without any distortion. An inverse cosine-based firing circuit with a voltage range from +14 to -14 (reference voltage) is used to produce a gating signal for the SCR at the desired delay angle. if the desired firing angle is 120 degrees, the reference voltage must be: O A. 12 O B. -7 O C. None of the other choices are correct O D.-12 O E. 7
Transcribed Image Text:An op-amp comparator in a firing circuit can produce waveforms at the output of up to 28 V peak-to-peak without any distortion. An inverse cosine-based firing circuit with a voltage range from +14 to -14 (reference voltage) is used to produce a gating signal for the SCR at the desired delay angle. if the desired firing angle is 120 degrees, the reference voltage must be: O A. 12 O B. -7 O C. None of the other choices are correct O D.-12 O E. 7
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