[sdiy] Ofsetting LFO output

[Grant Richter]

You could try putting a 1000pF cap between J1 and S1. R9 will keep  
the other side at ground. A -5 to +5 square wave input will with then  
make a short pulse that crosses the 8 volt threshold of the 40106.

On Jun 1, 2005, at 12:28 PM, Mikael Mørup wrote:

> Citat Grant Richter <grichter at asapnet.net>:
>
>
>> Did you try it?
>>
>> A clock input has a threshold. Experienced designers now
>> set the
>> threshold below 5 volts for this reason.
>>
>> It may work right now, without any level shifting.
>>
>
> Yes i tried it, the module (Ray Wilsons Sample and hold II)
> has an internal clock that's just a simple opamp based LFO
> producing the 10V P-P sqr. wave, but if i use the ext.
> clock input with my -5V - +5V LFO it doesent trigger.
>
> Thanks to all who chipped in, i got something to work wit
> now :-)
>
> Mikael
>