Electronic Devices - Amplifier Frequency Response - Discussion
Discussion Forum : Amplifier Frequency Response - General Questions (Q.No. 11)
11.
An amplifier has an input signal voltage of 0.054 mV. The output voltage is 12.5 V. The voltage gain in dB is
Discussion:
2 comments Page 1 of 1.
Frasima said:
1 decade ago
Vge Gain in DB =10 log (v0ut/vin)
=10 log 231
=107.3 db
=10 log 231
=107.3 db
SWN said:
1 decade ago
Vge Gain in DB =20log (vout /vin)
=20log231k
=107.3db
voltage ---> 20log
power---->10log
=20log231k
=107.3db
voltage ---> 20log
power---->10log
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