A feedback amplifier comprises two amplifying blocks in tandem; each block having a gain of 100. What should be the gain of the feedback block in order for overall gain to be 100? If the gain of each amplifier block reduces to 50% due to parameter variations, what is the percentage change in the gain of the complete feedback unit?
A feedback amplifier comprises two amplifying blocks in tandem; each block having a gain of 100. What should be the gain of the feedback block in order for overall gain to be 100? If the gain of each amplifier block reduces to 50% due to parameter variations, what is the percentage change in the gain of the complete feedback unit?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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Transcribed Image Text:A feedback amplifier comprises two amplifying blocks in tandem; each block having a gain of
100. What should be the gain of the feedback block in order for overall gain to be 100? If the
gain of each amplifier block reduces to 50% due to parameter variations, what is the percentage change in the gain of
the complete feedback unit?
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