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 Forum index » DIY Hardware and Software
[PCBs] Oct/Hz and trigger converter
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sonicwarrior



Joined: Dec 22, 2005
Posts: 231
Location: Cologne, Germany

PostPosted: Thu Mar 14, 2013 4:26 am    Post subject: [PCBs] Oct/Hz and trigger converter
Subject description: Schematic by Magnus Danielson/ Trigger converter by Doepfer
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Got the PCBs for the Oct/Hz converter from Magnus Danielson and the trigger converter (Doepfer type) today. It's 7 cm x 5 cm. I have only tested it with +/- 15V and don't know if values have to be changed for +/- 12V as I'm not an electrician.
It is meant to use an Hz/V synth with a MIDI/CV converter that doesn't support it or an external V/Oct sequencer or voltage source. The trigger converter is needed to trigger the MS series with a standard voltage trigger as they are using an inverted trigger similar to the Moog switch trigger.


Here is the interest/development thread:
http://www.muffwiggler.com/forum/topic-23490.html

I ordered a batch of 55 (0 left) and can offer them for 7 Euro each plus shipping.

You can find the documentation including a modified schematic and the board layout here:
English:
http://www.sdiy.de/en/projects/oct-hz-converter.html
German:
http://www.sdiy.de/de/projects/oct-hz-converter.html

Edit: All boards are gone!

Last edited by sonicwarrior on Wed Jul 31, 2013 1:42 pm; edited 9 times in total
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sonicwarrior



Joined: Dec 22, 2005
Posts: 231
Location: Cologne, Germany

PostPosted: Sat Mar 16, 2013 10:52 am    Post subject: Re: [PCBs] Oct/Hz and trigger converter
Subject description: Schematic by Magnus Danielson/ Trigger converter by Doepfer
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This is how it looks like when it's stuffed:

Posted Image, might have been reduced in size. Click Image to view fullscreen.

Note: I used different trimmers then mentioned in the documentation for P1 and P3 because I had only 50K trimmers in this footprint. P1 is only a voltage divider so that the 50K should work there, too, and P3 is a 10K, so a 50K shouldn't hurt. In the prototype I used a jumper for P3 as it didn't have an effect when I calibrated it with my MS-10. I will test this PCB with my CS-30.

P3 is meant to ease the calibration process.
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sonicwarrior



Joined: Dec 22, 2005
Posts: 231
Location: Cologne, Germany

PostPosted: Fri Jul 19, 2013 2:27 pm    Post subject: Re: [PCBs] Oct/Hz and trigger converter
Subject description: Schematic by Magnus Danielson/ Trigger converter by Doepfer
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Final spurt: Only 5 left.
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Starspawn



Joined: Jun 14, 2013
Posts: 49
Location: Oslo

PostPosted: Tue Jul 30, 2013 3:32 am    Post subject: Reply with quote  Mark this post and the followings unread

Eeek, I can haz 2?
Also, it will be for my CS5 and D85 solo synth, so any tips/need to know on how you got it working with your CS30?
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sonicwarrior



Joined: Dec 22, 2005
Posts: 231
Location: Cologne, Germany

PostPosted: Tue Jul 30, 2013 10:50 am    Post subject: Reply with quote  Mark this post and the followings unread

Currently 3 are physically left, but 2 of them are spoken for.
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Starspawn



Joined: Jun 14, 2013
Posts: 49
Location: Oslo

PostPosted: Tue Jul 30, 2013 10:51 am    Post subject: Reply with quote  Mark this post and the followings unread

Damn, Ill take the last then and any other that might happen to be available if someone changes their minds.
Sent you email earlier.
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sonicwarrior



Joined: Dec 22, 2005
Posts: 231
Location: Cologne, Germany

PostPosted: Wed Jul 31, 2013 2:26 pm    Post subject: Reply with quote  Mark this post and the followings unread

That's it. Starspawn get's the last PCB. Cool
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