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Single supply op amp as rectifier?

Discussion in 'General Electronics Discussion' started by rsajan1, Nov 3, 2009.

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  1. rsajan1


    Nov 3, 2009
    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.

  2. Resqueline


    Jul 31, 2009
    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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