[sdiy] modding an lfo to have reset/sync

[Danjel van Tijn]

cool that sounds easy enough to do. So I just need to trace through
and find the positive side of the caps and then short that point to
ground via the switch?


cheers,
Danjel






On Wed, May 13, 2009 at 7:44 PM, Amos <controlvoltage at gmail.com> wrote:
> often it's done by putting a pulse to an analog switch (like a cd4066,
> cd40106, cd4053, etc) control pin, so that the switch shorts the cap to
> ground for a moment.  The rest of the time the switch control pin is low and
> thus the switch does not affect the timing cap.
>
> Cheers,
>
> Amos
>
> On Wed, May 13, 2009 at 10:31 PM, Danjel van Tijn <danjel at gmail.com> wrote:
>>
>> I have a Livewire Vulcan that I would like to modify so that it has
>> reset capability.
>>
>> When I take it apart it is pretty clear to see where the timing caps
>> are (a pair for each lfo, one small one large for the different time
>> range).
>>
>> Anyone know an easy way to reset them? I had read something before
>> about injecting a pulse into the timing cap...
>>
>>
>>
>> cheers,
>> Danjel
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>
>