Electronic Devices - Amplifier Frequency Response - Discussion

Discussion Forum : Amplifier Frequency Response - General Questions (Q.No. 1)
1.
Doubling the voltage gain causes a ________ dB ________.
10, increase
6, increase
10, decrease
6, decrease
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Jagadish said:   8 years ago
Thank you @Manesh.

Maneshpawar said:   1 decade ago
Gain in dB is 20logA (where A is gain).

When new value of A is doubled.

Gain in dB is 20log2 = +6.02 which is approximately equals to 6.

+ve sign indicates increase in the gain.

Post your comments here:

Your comments will be displayed after verification.