The voltage gain of the input stage of an isolation amplifier is 12. If the output stage has a gain of 6, the total voltage gain is
A)144.
B)6.
C)72.
D)18.

Name: The voltage gain of the input stage of an isolation amplifier is 12. If the output stage has a gain of 6, the total voltage gain is A)144. B)6. C)72. D)18.
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Question

Quizplus · Accepted Answer

The total voltage gain of an amplifier is the product of the gains of its stages. Therefore, the total voltage gain is 12 (input stage) * 6 (output stage) = 72.

The Voltage Gain of the Input Stage of an Isolation