SemiconductorHard

Question

An amplifier has a voltage gain Av = 1000. The voltage gain in dB is :

Options

A.30dB
B.60dB
C.3dB
D.20dB

Solution

Voltage gain = log 100 Bel
log 103 = 3Bel = 30dB [Bel = 100 dB]

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