[sdiy] Negative content on half wave rectifier

René Schmitz uzs159 at uni-bonn.de
Sun Jul 24 03:48:58 CEST 2011


Hi all,

Indeed. I really think this should read more like 10kHz... The circuit 
has the problem of IC1 being open loop when the signal source is 
positive, so it's output hits the negative rail. Which takes time to 
recover from.

Cheers,
  René

Am 24.07.2011 01:00, schrieb Brock Russell:
> True, fast op-amps may pose problems and don't think you will get 10MHz
> through the TL072 without some slew rate limiting.
>
> At 01:47 PM 23/07/2011, Neil Johnson wrote:
>> Brock,
>>
>>> http://www.edn.com/contents/images/51503di.pdf
>>
>> Thanks for sharing that. A neat little circuit as long as you heed
>> his advice on op-amp selection.
>>
>> Cheers,
>> Neil
>> --
>> http://www.njohnson.co.uk
>>
>>
>>
>
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