VCF with resonance
I've found this circuit in the LM13700 datasheet. I wonder how can I add resonance? I assume I need to add a feedback network and an op amp buffer. I've read that some synth VCFs sport a band-pass filter in the reso network. Any ideas how can I add nice, squelchy resonance?
I've found this circuit in the LM13700 datasheet. I wonder how can I add resonance? I assume I need to add a feedback network and an op amp buffer. I've read that some synth VCFs sport a band-pass filter in the reso network. Any ideas how can I add nice, squelchy resonance?
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