Electronics - Operational Amplifiers

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"Success has many fathers, while failure is an orphan."
- (Proverb)

An ideal operational amplifier has

A. infinite output impedance
B. zero input impedance
C. infinite bandwidth
D. All of the above


Another name for a unity gain amplifier is:

A. difference amplifier
B. comparator
C. single ended
D. voltage follower


The open-loop voltage gain (Aol) of an op-amp is the

A. external voltage gain the device is capable of
B. internal voltage gain the device is capable of
C. most controlled parameter
D. same as Acl


What is the output waveform?

A. sine wave
B. square wave
C. sawtooth wave
D. triangle wave


A series dissipative regulator is an example of a:

A. linear regulator
B. switching regulator
C. shunt regulator
D. dc-to-dc converter

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