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