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Single supply op amp as rectifier?

rsajan1

Nov 3, 2009
2
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Nov 3, 2009
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Hi guys, i'm kinda new to electronics so I would appreciate any help.

Is there anything wrong with using a single supply op amp as a half wave rectifier?

Since the output cannot go negative, only the positive part of the signal will go through. Seems a little too simple. I've looked (in books, online) to see if anyone has suggested this but cant seem to find anything and I'm wondering why.

Thanks!
 

Resqueline

Jul 31, 2009
2,848
Joined
Jul 31, 2009
Messages
2,848
I guess it would work, if not being ideal.
It might have some recovery delay, and some inaccuracies near zero.
The exact behaviour would vary between different part #'s.
 
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