CGS pulse divider and Boolean logic (view source)
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[[File:cgs_photo_cgs36v14_pulse_divider.jpg|center|800px|]]
'''CGS36''' the '''CGS pulse divider
As well as the pulse divider, there are also five
This module will work on +/-12 volts. See the text for resistor value changes.
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Following the input processor are four 4017 decade counters wired to give the various divisions. Where possible, sub-divisions have been taken from the same chip, with the various pulses being ORed together by diodes. Each output is buffered by an emitter follower. Many different types of small signal or switching transistors (e.g. BC547) can be used here without affecting the performance.
[[File:cgs_schem_cgs36v14_boolean.gif|thumb|center|800px
The
See CGS54 the [[CGS XOR/XNOR logic]] module for a further explanation of how the Exclusive OR gate works.
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| colspan="2" align=center| '''Misc.'''
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| 0.156 4 pin connector||align=right|1
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* Make sure you use a standard 4000 series CMOS, not 74XXX4000 series, e.g. CD4017, MC14017, HEF4017. Markings such as HC4017, HCT4017 imply 74HC4017 and 74HCT4017 and are unsuitable. MC4017 is also unsuitable.
* PCB measures 6" x 2" 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 ==
* [[CGS pulse divider and
* [[CGS XOR
* [[CGS parts FAQ]]
* [[CatGirl_Synth#The_CGS_modules|The CGS modules]]
== References ==
* [https://web.archive.org/web/
== 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/cgs36 CGS36 BOM] at BOMpiler
=== Suppliers ===
* [https://web.archive.org/web/20181128081357/http://www.elby-designs.com/webtek/cgs/cgs36/cgs36_pulse_divider.html CGS36 Pulse Divider], revision 1.4, Elby Designs
[[Category:CGS
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