The bandwidth of an amplifier configured with negative feedback increases does not change at all decreases

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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The bandwidth of an amplifier configured with negative
feedback
increases
does not change at all
decreases
The phase margin m of a 3-pole amplifier configured
in negative feedback can be improved by
placing the secondary pole at higher frequencies O
placing the dominant pole at higher frequencies
placing the secondary pole at lower frequencies
placing the dominant pole at lower frequencies
If the feedback network of an amplifier is subtracting a
current signal, its closed loop input impedance will
decrease
stay the same
increase
If the feedback network of an amplifier is sampling a
current signal, its closed loop output impedance will
increase
decrease
stay the same
Transcribed Image Text:The bandwidth of an amplifier configured with negative feedback increases does not change at all decreases The phase margin m of a 3-pole amplifier configured in negative feedback can be improved by placing the secondary pole at higher frequencies O placing the dominant pole at higher frequencies placing the secondary pole at lower frequencies placing the dominant pole at lower frequencies If the feedback network of an amplifier is subtracting a current signal, its closed loop input impedance will decrease stay the same increase If the feedback network of an amplifier is sampling a current signal, its closed loop output impedance will increase decrease stay the same
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