Electronic Devices - Operational Amplifiers - Discussion

Discussion Forum : Operational Amplifiers - General Questions (Q.No. 9)
9.
An op-amp has an open-loop gain of 75,000 and a cutoff frequency of 100 Hz. At 1 kHz the open-loop gain is down by
10 dB.
6 dB.
20 dB.
3 dB.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 2 of 2.

Habib said:   4 years ago
@Mayur.

Because of P proportional to V^2.
The power gain is 10 log (A).
Voltage gain is 20 log (A).


Post your comments here:

Your comments will be displayed after verification.