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 Forum index » DIY Hardware and Software » YuSynth
New module preview : Sequential router
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yusynth



Joined: Nov 24, 2005
Posts: 1219
Location: France

PostPosted: Sun Jan 17, 2010 8:18 am    Post subject: New module preview : Sequential router Reply with quote  Mark this post and the followings unread

I have just finished testing my new YUSYNTH module called Sequential Router (I hesitated to call it a sequential multiplexer).
It is meant to be an utilty module designed as a complement to Moog 960 like analogue sequencer.
Posted Image, might have been reduced in size. Click Image to view fullscreen.
The idea is to route the three rows of CVs from the sequencer to two outputs (e.g. to drive VCOs).
There are three CV inputs called 1,2 and 3 and two outputs A and B.
A SHIFT/CLOCK input makes it possible to step sequentially through the six rotary switches. The switches offer 9 routing selections.
The shift input receives a GATE signal from the first step of the sequencer.
The position of a switch defines the routing for the corresponding stage : for example A2-B1 means the CVs from input 2 are routed to output A
while the CVs from input 1 are routed to output B.
This makes it possible to create long and complex and intermangling sequences from three short sub-sequences.

It must be noted that I used Maxim analogue switches which provide nearly null resistance and can handle voltages
in the -15V to +15V range !!!! As such the inputs and outputs can be exchanged, that is, inputs become outputs and conversely !

Other fun, you can use it with audio signals, in such a case the outputs are the left and right channel and the inputs receive
any audio signal that you can sequence through and multiplex to the stereo channels.

Next is a short MP3 file demonstrating this module : the main sequence is 48 step long and build with three 8 steps subsequences.
Some additional effects were also layered from other modules and some nice arpeggio created with the P-SEQUENCER module
designed by Alain Coupel http://www.acoupel.com.

SEQ-ROUTER-DEMO

The full-circuit and assembly instruction should be made available on my site next week I think (I still need to trim a few component values)

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synthnl



Joined: Oct 19, 2007
Posts: 33
Location: Ede

PostPosted: Sun Jan 17, 2010 2:52 pm    Post subject: Reply with quote  Mark this post and the followings unread

Nice one again Yves!
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numbertalk



Joined: May 05, 2008
Posts: 980
Location: Austin, TX
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PostPosted: Sun Jan 17, 2010 3:37 pm    Post subject: Reply with quote  Mark this post and the followings unread

Very cool!!
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janvanvolt



Joined: Nov 24, 2005
Posts: 285
Location: Mainz, Germany

PostPosted: Sun Jan 17, 2010 3:47 pm    Post subject: Reply with quote  Mark this post and the followings unread

Awesome. Also noted the P-Sequencer is a cool module...
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dingebre



Joined: Aug 10, 2008
Posts: 258
Location: Salt Lake City, UT USA

PostPosted: Sun Jan 17, 2010 4:37 pm    Post subject: Reply with quote  Mark this post and the followings unread

Will Bridechamber be selling PCB's and parts kits? This looks very useful for my Oberkorn sequencer.

Nice module Yves.

David

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yusynth



Joined: Nov 24, 2005
Posts: 1219
Location: France

PostPosted: Sun Jan 17, 2010 11:55 pm    Post subject: Reply with quote  Mark this post and the followings unread

dingebre wrote:
Will Bridechamber be selling PCB's and parts kits? This looks very useful for my Oberkorn sequencer.


Very probably, Scott Deyo said he is interested to sell a kit for this module.

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iopop3



Joined: May 28, 2010
Posts: 95
Location: Malmö, Sweden

PostPosted: Fri Aug 03, 2012 12:15 pm    Post subject: Reply with quote  Mark this post and the followings unread

Anyone build this one using the Switchboard PCBs? I'm having a bit of trouble having it all fit together. Rotary switches fit on PCB and in the panel holes, but the PCB is obscuring the IN#1 and OUT A jacks. If I rotate the PCB 180 degrees it'll go outside the allowed panel space. Have a MU panel made up by re:synthesis.

Not sure if Im missing the obvious here. I tested both with Switchcraft jacks and open frame ones. Rotaries are these, http://www.musikding.de/Switches/Rotary-Switches/Rotary-switch-1P12T-sealed-pcb::2849.html

Its not a showstopper - since its possible to wire it all up by hand. Finished the CV-Standard module a few months ago so I had some practice.
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