OTA SVF/LPF

[kristopher612]

Does anyone know where I can find a good explanation on determining the cutoff frequency for an OTA based SVF and also for an OTA based LPF. I'm fine with math, but being an ME as opposed to an EE, I didn't spend a lot of time learning more than simple circuits in depth. Thanks for any help you can give.


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[ElectricDruid]

Have a dig around on the Mutable Instruments website. Olivier has some good papers he wrote explaining the calculations behind the Shruthi filters. Mutable don't make Shruthis any more, but it's archived:

https://mutable-instruments.net/archive/documents/smr4mkII_analysis.pdf

https://mutable-instruments.net/archive/
https://mutable-instruments.net/archive/shruthi/build/

HTH,
Tom

[kristopher612]

Thanks I'll start reading tonight!


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