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d) The function that turns off the audio section in a sensitive receiver when it has no carrier is: a) Delayed AGC b) Auxiliary AGC c) Squelch d) Intermod The waveform diagrammed below has a modulation index that is:

d) The function that turns off the audio section in a sensitive receiver when it has no carrier is: a) Delayed AGC b) Auxiliary AGC c) Squelch d) Intermod The waveform diagrammed below has a modulation index that is:

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Please answer question 2 and why is it that option. Thank you. 

1. In the following formula for a sine wave, which variable is manipulated by the intelligence signal to produce amplitude modulation? v = Vp sin (at + D) Vp b) w c) t d) 2. The function that turns off the audio section in a sensitive receiver when it has no carrier is: a) Delayed AGC b) Auxiliary AGC c) Squelch d) Intermod 3. The waveform diagrammed below has a modulation index that is: a) zero b) greater than zero but less than one c) equal to one d) greater than one
Transcribed Image Text:1. In the following formula for a sine wave, which variable is manipulated by the intelligence signal to produce amplitude modulation? v = Vp sin (at + D) Vp b) w c) t d) 2. The function that turns off the audio section in a sensitive receiver when it has no carrier is: a) Delayed AGC b) Auxiliary AGC c) Squelch d) Intermod 3. The waveform diagrammed below has a modulation index that is: a) zero b) greater than zero but less than one c) equal to one d) greater than one
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