SOLUTION: could someone help me? Find the output voltage (Eo) of an amplifier having a voltage gain of 18dB and an input voltage (E1) of 1.2 volts.Given dB gain=20 log Eo/E1.

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: could someone help me? Find the output voltage (Eo) of an amplifier having a voltage gain of 18dB and an input voltage (E1) of 1.2 volts.Given dB gain=20 log Eo/E1.      Log On


   



Question 624366: could someone help me?
Find the output voltage (Eo) of an amplifier having a voltage gain of 18dB and an input voltage (E1) of 1.2 volts.Given dB gain=20 log Eo/E1.

Found 2 solutions by solver91311, Alan3354:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


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Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find the output voltage (Eo) of an amplifier having a voltage gain of 18dB and an input voltage (E1) of 1.2 volts.Given dB gain=20 log Eo/E1.
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G = 20*log(Eo/E1)
18 = 20*log(Eo/E1)
log(Eo/E1) = 0.9
Eo/E1 = 10^0.9
Eo = 1.2*10^0.9
Eo = 9.53 volts