Electronic Devices - Amplifier Frequency Response - Discussion

Discussion Forum : Amplifier Frequency Response - General Questions (Q.No. 14)
14.
An RC network has a roll-off of 20 dB per decade. What is the total attenuation between the output voltage in the midrange of the passband as compared to the output voltage at a frequency of 10 times fc?
–3 dB
–20 dB
–23 dB
–43 dB
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Junayd said:   1 decade ago
Can anyone explain this? I didn't get what is asked?

Loonie said:   9 years ago
20 log(1/10) = -20dB.

Anomie said:   3 years ago
Thank you @Loonie.

Post your comments here:

Your comments will be displayed after verification.