Electronics - Basic Op-Amp Circuits - Discussion

Discussion Forum : Basic Op-Amp Circuits - General Questions (Q.No. 13)
13.
A two-pole high-pass active filter would have a roll-off rate of
40 dB/decade
–40 dB/decade
20 dB/decade
–20 dB/decade
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
19 comments Page 2 of 2.

Arun Yadav said:   1 decade ago
Ya it should be +40db/dec.

-40 is for low pass two pole filter.

AVIJIT said:   1 decade ago
WHY NOT +40 Db/DEC?

IT SHULD BE..I THINK PLZ HELP

Ramotar said:   7 years ago
Not understanding, please explain me to get it.

Dilip said:   1 decade ago
Low pass filters have positive roll off.

Brij kishore sharma said:   1 decade ago
It will be +40db/dec for high filter.

Nagaraju said:   1 decade ago
Reduced 40db/decay = -40db/decay.

Samarth said:   1 decade ago
Exactly it is 40db/decade.

Santosh said:   1 decade ago
It will be +40/decade.

Neelavathi said:   10 years ago
What is roll-off rate?
(1)


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