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An amplifier has a voltage gain of 40db. The value of AVO is

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An amplifier has a voltage gain of 40db. The value of AVO is

(a) 10

(b) 100

(c) 20

(d) 200

The question was asked during an interview.

This key question is from Circuit Models for Amplifier in section Signals and Amplifiers of Electronic Devices & Circuits

1 Answer

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Best answer
Right option is (b) 100

The explanation is: The expression is given by 10 log AVO = 40. Solving for Avo gives 100 as the answer.

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