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ICs for Electro-Music (EMM Apr 81)
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CEM3320 Filter designs – Electric Druid
og2 - CEM3320 Multimode Filter
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Eddy Bergman.com: Synthesizer Build part-6: THE SEQUENTIAL PRO ONE LOWPASS FILTER.
TLN-442 Voltage Controlled Lowpass Filter
Thomas Henry PAL Filter (Eurorack DIY)
Eddy Bergman.com: Synthersizer Build part-45: STEINER-PARKER DIODE FILTER for EURORACK.
Multimode filters, Part 1: Reconfigurable filters – Electric Druid
Freq CV input (pin 12) on the CEM3320 (AS3320) : r/synthdiy
CEM3320 Filter designs – Electric Druid
Synthesis Essentials: Know Your Filters : Ask.Audio
ICs for Electro-Music (EMM Apr 81)
Eddy Bergman.com: Synthesizer Build part-6: THE SEQUENTIAL PRO ONE LOWPASS FILTER.
Curtis CEM3320 IC – Reissued VCF Chip – Thonk – DIY Synthesizer Kits & Components
CEM3320 Filter designs – Electric Druid
3320 VCF – Davor Slamnig
Multimode filters, Part 1: Reconfigurable filters – Electric Druid
All about the IR3109 chip @ AMSynths
