Cgs synth

Hang some electros across your new voltage divider reference to decouple it,
and use that as your "ground" for the other components.

>Hi,
>
>On the subject of the band pass filter, I was looking at this circuit
>today and was wondering if it could be powered from a single supply? I
>assume the + op amp inputs could be connected to a voltage reference of
>half the supply (using two equal value resistors) but what about the
>other ground points such as the 4.7k and 15k resistors?
>
>James
>
>Mark wrote:
>>
>> On 6/2/07, Larry T. put forth:
>> >I just need to find a small, simple envelope follower...)
>>
>> You can just wrap a full-rectifier around an op-amp followed by a
>> one-pole LPF (a cap going to ground). There are numerous examples of
>> various effects containing this sub-circuit on the web.
>>
>> You might find this article interesting:
>>
>> http://www.geofex.com/Article_Folders/noteproc/noteproc.htm
>> <http://www.geofex.com/Article_Folders/noteproc/noteproc.htm>
>>
>>
>
>
>
>The CGS Modular Synth home page: http://www.cgs.synth.net/
>
>Yahoo! Groups Links
>
>
>
>

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