Electrical Engineering - Passive Filters - Discussion
Discussion Forum : Passive Filters - General Questions (Q.No. 15)
15.
Vout = 500 mV, and Vin = 1.3 V. The ratio Vout/ Vin expressed in dB is
Discussion:
3 comments Page 1 of 1.
GANESH said:
9 years ago
Please explain the answer cleary.
Pradip lal biswas said:
10 years ago
We know,
db = 20log Vout/Vin.
= 20 log (500m/1.3).
= 20 log 0.385.
= 20*(-0.415).
= -8.29.
db = 20log Vout/Vin.
= 20 log (500m/1.3).
= 20 log 0.385.
= 20*(-0.415).
= -8.29.
HSK said:
1 decade ago
20 log (Vout/Vin)
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