CEM3340: Difference between revisions
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The '''CEM 3340''' is a self contained [[VCO]], originally produced by [[Curtis Electromusic Specialties]]. With both [[exponential]] and [[linear]] control inputs and up to four output waveforms: [[triangle]], [[sawtooth]], [[square]], and [[pulse]] with voltage controllable [[pulse width]]. It has full temperature compensation making it extremely stable. Also included is provision for [[oscillator sync|hard and soft synchronization]] of the [[frequency]], and an output for easy adjustment of [[VCO high frequency tracking|high frequency tracking]].<ref name="3340ds">[http://www.cem3374.com/datasheets.htm CEM3340 data sheet] at CEM3374.com</ref> |
The '''CEM 3340''' is a self contained [[VCO]], originally produced by [[Curtis Electromusic Specialties]]. With both [[exponential]] and [[linear]] control inputs and up to four output waveforms: [[triangle]], [[sawtooth]], [[square]], and [[pulse]] with voltage controllable [[pulse width]]. It has full temperature compensation making it extremely stable. Also included is provision for [[oscillator sync|hard and soft synchronization]] of the [[frequency]], and an output for easy adjustment of [[VCO high frequency tracking|high frequency tracking]].<ref name="3340ds">[http://www.cem3374.com/datasheets.htm CEM3340 data sheet] at CEM3374.com</ref> |
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In 2016 [[OnChip Systems]] re-released the 3340, in response to [[Coolaudio International Limited|Coolaudio's]] re-design of the part to the same specifications.<ref>[https://www.facebook.com/curtischips/posts/1173548609342828 Curtis Electromusic Specialties], Facebook, 5 June 2016</ref><ref>[https://ask.audio/articles/curtis-family-speaks-out-against-behringer-synth-clone-plans-using-cem3340 Curtis Family Speaks Out Against Behringer Synth Clone Plans Using CEM3340] by Rounik Sethi, Ask.Audio, 21 Mar 2017</ref> |
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== Projects == |
== Projects == |
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* [https://drive.google.com/file/d/0Bx5_5krPS9HMcThRRHRObjRwMUk/ Build a Precision Controller Clock] by Thomas Henry, Electronotes, May/June 1984, Special Issue E, pp. 11-17. |
* [https://drive.google.com/file/d/0Bx5_5krPS9HMcThRRHRObjRwMUk/ Build a Precision Controller Clock] by Thomas Henry, Electronotes, May/June 1984, Special Issue E, pp. 11-17. |
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* [http://www.proaudiodesignforum.com/forum/php/viewtopic.php?f=12&t=811 Low-Frequency VCO Gives Exponential Response] by Thomas Henry, Electronics, January 13, 1983, pp. 168-169. |
* [http://www.proaudiodesignforum.com/forum/php/viewtopic.php?f=12&t=811 Low-Frequency VCO Gives Exponential Response] by Thomas Henry, Electronics, January 13, 1983, pp. 168-169. |
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* [https://drive.google.com/file/d/0Bx5_5krPS9HMcThRRHRObjRwMUk/view VCO Deluxe] by Thomas Henry, Polyphony, Nov/Dec 1981 |
* [https://drive.google.com/file/d/0Bx5_5krPS9HMcThRRHRObjRwMUk/view VCO Deluxe] by Thomas Henry, Polyphony, Nov/Dec 1981 |
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* [http://www.birthofasynth.com/Thomas_Henry/Pages/VCO_Maximus-Detail.html The VCO Maximus] by Thomas Henry, 2017 |
* [http://www.birthofasynth.com/Thomas_Henry/Pages/VCO_Maximus-Detail.html The VCO Maximus] by Thomas Henry, 2017 |
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* andrewF [https://www.muffwiggler.com/forum/viewtopic.php?t=169673 CEM3340 VCO], Muff Wiggler forum, Oct. 2016, for Eurorack |
* andrewF [https://www.muffwiggler.com/forum/viewtopic.php?t=169673 CEM3340 VCO], Muff Wiggler forum, Oct. 2016, for Eurorack |
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