[sdiy] [OT] oscilloscope fun

[Tim Ressel]

I built one of those. They are quite fun. Be aware it only works with 
analog scopes. You can probably patch one up on your modular synth.

--TimR


On 5/23/2016 12:26 PM, KA4HJH wrote:
> On May 21, 2016, at 8:14 PM, henry birdseye <henry.birdseye at gmail.com> wrote:
>
>> Dorking around making Lissajouses today.
>>
>> https://vimeo.com/167580411
> Here's a cool device that creates fascinating patterns on an oscilloscope:
>
> http://www.astarcloseup.com
>
>
> I buit one some time ago and it's fascinating to play with. It would be an interesting gadget to have at a synth meet or a gig without requiring the use of any of your modules. I recreated the original magazine article and saved it as a pdf so all the info is there, including the PCB layout (single sided).
>
> It's a fairly simple circuit and would be inexpensive to build if you can make your own PCB. The only parts you may have finding are the 4136 and the FETs.
>
>
> BTW, I'm still not exactly how the phase shift works on OSC C. If anyone can explain it to me I'll update the blog post and the pdf.
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>

-- 
--Tim Ressel
Circuit Abbey
timr at circuitabbey.com

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20160523/4406632d/attachment.htm>