Special-Purpose Op-Amp Circuits 2 - Practice Questions

Question 1

What is a key characteristic of an instrumentation amplifier?

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Question 2

An OTA is primarily a current-to-voltage amplifier.

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Question 3

One of the key characteristics of an instrumentation amplifier is high input impedance.

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Question 4

Transconductance is the ratio of the output

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Question 5

An isolation amplifier provides ac isolation between input and output.

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Question 6

A log amplifier may use the ________ junction of a BJT in the feedback loop.

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Question 7

In logarithmic signal compression,

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Question 8

What part of the characteristic curve of a diode is useful for log amplifiers?

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Question 9

A constant-current source delivers a load current that

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Question 10

A log amplifier has ________ in the feedback loop.

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