IR3109: Difference between revisions
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* [https://www.alfarzpp.lv/eng/sc/AS3109.php AS3109], SOIC-16 IR3109 clone by Alfa Rpar |
* [https://www.alfarzpp.lv/eng/sc/AS3109.php AS3109], SOIC-16 IR3109 clone by Alfa Rpar |
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[[Category:International Rectifier ICs]] |
[[Category:International Rectifier ICs]] |
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[[Category:VCF ICs]] |
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Latest revision as of 10:54, 10 June 2022
The IR3109 was a VCF IC produced by International Rectifier for Roland Corporation. It is essentially four independent buffered OTAs which can be interconnected to provide a variety of filter responses, and a single input exponential frequency control.[1][2]
Synthesizers etc. using the IR3109
Prebuilt
- Boss PH-2
- Boss RPH-10
- Roland Juno 6/Juno-60/HS-60
- Roland Jupiter 4/Promar - up to Serial number 800800 matched BA662 with FET buffers, later models IR3109[3]
- Roland Jupiter 6
- Roland Jupiter 8
- Roland JX-3P
- Roland MC-202
- Roland MKS-30
- Roland MKS-80 - until Revision 4, IR-3R05 in Revision 5[3]
- Roland SH-101
DIY projects
- AMSynths AM8060
- AMSynths AM8109
- Mutable Instruments Shruthi-1 IR3109 filter board
See also
References
- ^ AS3109 data sheet, Alfa Rpar
- ^ reverse engineering the IR3109, Mod Wiggler Forum, Nov 2014
- ^ a b Roland Filters by Florian Anwander
External links
- AS3109, SOIC-16 IR3109 clone by Alfa Rpar
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