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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
Diode waveshapers
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monokinetic



Joined: Aug 01, 2006
Posts: 100
Location: prague

PostPosted: Tue Mar 31, 2009 3:23 pm    Post subject: Diode waveshapers Reply with quote  Mark this post and the followings unread

Hi all,
I have a few lunetta circuits up and running now (I've so got the bug, off to buy 60+ bananas tomorrow!!) and one thing I'm missing from the world of modulars is some waveshaping. I've been trawling through the forum over the last few days and I'm laying out an R2R ladder this evening.

But I also came across Ricko's post about diode ladder waveshapers, here:
http://electro-music.com/forum/topic-28527.html

Looks quite lunetta IMO, apart from the opamps....

So, I would like to ask, if I want to put something like this into my lunetta what do the TL081C bits at the end of the signal chain do? Can I use some CMOS magic here instead? Wink

Thanks in advance

David
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synthmonger



Joined: Nov 16, 2006
Posts: 578
Location: flada
Audio files: 3

PostPosted: Wed Apr 01, 2009 7:50 am    Post subject: Reply with quote  Mark this post and the followings unread

I'm in the process of working on some wave shaping modules using diodes and/or using 4007's and 4069's. All under voltage control. The 4007 is my best new friend for adding voltage control to circuits.

I'm going to post everything soonish. VCA, VC waveshaper, VCF, VCO, Sequencer, lotsa new cmos lunetta stuff.
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monokinetic



Joined: Aug 01, 2006
Posts: 100
Location: prague

PostPosted: Wed Apr 01, 2009 8:24 am    Post subject: Reply with quote  Mark this post and the followings unread

Oh, VC waveshaper, that was my next thing to research, mmmmmm!

I'll get back the 10 + chip board I'm slowly finishing the soldering on, and order some more stripboard in anticipation Wink

Looking forward to it with baited breath...

David
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ChrisR



Joined: Feb 22, 2009
Posts: 24
Location: Dark side of the room

PostPosted: Thu Apr 02, 2009 12:38 pm    Post subject: Reply with quote  Mark this post and the followings unread

synthmonger wrote:
The 4007 is my best new friend for adding voltage control to circuits.


Very Interesting! Looking forward to your posts on this.
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