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Line 2: '''CGS31''' the '''CGS digital noise''' (ver 1.2) module is a very standard pseudo-random digital noise source with a few enhancements. Instead of running a fixed high frequency clock, a VCO is used instead, allowing for unusual sweeps, and for reducing the speed right down to a series of random pulses. The internal linear VCO can also be bypassed so an external source such as a 1V/Oct. VCO or LFO can be substituted. It has pink and white noise outputs, and two separate (unique) digital outputs for use in triggering other circuits. Additionally this version has an 8 input DC mixer and a small power distribution board included. The board has been made in such a way as to allow the latter to be cut off, making the board suitable for mounting behind Euro and Frac ~~Rack~~rack panels. While untested, the module should work on +/-12 volts. Line 136: * 330R refers to 330 Ohms. 100nF = 0.1 uF * A 1uF/470k combination may work equally as well as the 0.47uF/1M used to initialize the noise generator. == 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 == Line 144 ⟶ 147: == References == * ''[https://web.archive.org/web/~~20180209234737fw_~~20180209234737f/http://www.CGS.synth.net:80/modules/CGS31_digital_noise.html Digital Noise for music synthesizers.]'' ~~(archived)~~ by Ken Stone, 2001, with permission of the author - archived == External links == * [http://groups.yahoo.com/group/CGS_synth CGS Synth discussion group], for discussion of locating parts, modifications and corrections etc. * [http://bompiler.com/pcb/cgs31 CGS31 v1.2 BOM] at BOMpiler === Suppliers === Line 153 ⟶ 156: * Possible sources of the 4006: [https://abra-electronics.com/ics-semiconductors/4000-series-dip-package/4006-ic-cmos-18-stage-static-shift-register.html ABRA Electronics Corp.] [https://web.archive.org/web/20190517031611/http://www.banzaimusic.com/CD4006.html Banzai Music GmbH] ** [https://web.archive.org/web/20080323114658/http://www.web-tronics.com/cd4006.html Circuit Specialists, Inc.] [[Category:CGS ~~modular~~signal generators]]