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(Created page with "thumb|right|200px|Roland IR3109 VCF IC in DIP16 package. The '''IR3109''' was a VCF IC produced by [https://en.wikipedia.org/wiki/International_Rectifier International Rectifier] for [https://en.wikipedia.org/wiki/Roland_Corporation Roland Corporation]. It is essentially four independent buffered OTAs and a single input exponential frequency control. The four sections can be interconnected to provide a variety of filter res...") |
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[[File:Roland IR3109 DIP16 VCF IC.jpg|thumb|right|200px|Roland IR3109 VCF IC in DIP16 package.]]
The '''IR3109''' was a [[VCF]] IC produced by [https://en.wikipedia.org/wiki/International_Rectifier International Rectifier] for [https://en.wikipedia.org/wiki/Roland_Corporation Roland Corporation]. It is essentially four independent buffered [[OTA]]s
== Synthesizers etc. using the IR3109 ==
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* [[SSM2040]]
* [[SSM2044]]
== References ==
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