[sdiy] [OT] oscilloscope fun

Jay Schwichtenberg jays at aracnet.com
Tue May 24 17:41:47 CEST 2016


I work a lot with Tek scopes and the digital series DPO, MSO and MDO 3K and
4K scopes have X/Y.

 

And speaking of Tek scopes there are these:

 

(scroll down towards the bottom)

http://audiokarma.org/forums/index.php?threads/calling-all-the-coolest-vinta
ge-logos.685710/

 

and the Tek wizard:

http://www.mobiletekla.com/funstuff.html

 

 

From: Synth-diy [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of
Tim Ressel
Sent: Monday, May 23, 2016 1:20 PM
To: synth-diy at dropmix.xs4all.nl
Subject: Re: [sdiy] [OT] oscilloscope fun

 

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
<mailto:henry.birdseye at gmail.com> <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"
 
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-- 
--Tim Ressel
Circuit Abbey
timr at circuitabbey.com
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