Difference between revisions of "CGS CV cluster"

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[[File:cgs_photo_cgs37v11_cv_cluster.jpg|thumb|center|600px|]]
'''CGS37''' the '''CGS CV cluster''' (v1.1) is an unusual kind of mixer. It takes two input voltages - a base control voltage, and a modulating control voltage, and creates the sum and differences of them. These different voltages are the base voltage offset in a positive direction by the modulating voltage and the base voltage offset in a negative direction by the modulating voltage. A series of equal taps between these two points results in outputs that always maintain the base control voltage at its full amplitude, mixed with a differing amount of the modulating voltage. The center output has equal amounts of positive and negative modulation cancelingcancelling each other out, and thus behaves as a straight-through connection for the base input.
 
While untested, the module should work on +/-12 volts.
! colspan="2" align=center|Misc
|-
| Ferrite Beadbead (or 10R resistor)||align=right|2
|-
| 0.156 4 pin connector||align=right|1
* A 10 to 22 ohm resistor can be used instead of the ferrite beads. If you don't care about power-rail noise, just use a link instead.
* PCB is 6" x 1" with 3mm mounting holes 0.15" in from the edges.
 
== CC-BY-NC ==
Readers are permitted to construct these circuits for their own personal use only. Ken Stone retains all rights to his work.
 
== See also ==
 
== References ==
''[https://web.archive.org/web/20180209234737fw_20180209234737f/http://www.CGS.synth.net:80/modules/CGS37_cv_cluster.html CV Cluster for music synthesizers.]'' (archived) by Ken Stone, 2001, with permission of the author
 
== External links ==
* [http://bompiler.com/pcb/cgs37 CGS37 v1.1 BOM] at BOMpiler
 
* [http://groups.yahoo.com/group/CGS_synth CGS Synth discussion group], for discussion of locating parts, modifications and corrections etc.
=== Suppliers ===
* [https://web.archive.org/web/20180329091047/http://www.elby-designs.com/webtek/CGScgs/CGS37cgs37/CGS37_cv_clustercgs37_cv_cluster.html CGS37 CV Cluster], revision 1.1, Elby Designs
 
[[Category:CGS modularCV processors]]
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