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10 steps, but limited by decade counter Bergman's 10-step sequencer (up to 10 Alternative: Midi -> CV Alternative: CV from something else VCF MK's Diode Ladder VCF Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on https://www.analog.com/media/en/technical-documentation/data-sheets/8063fa.pdf Altera BGA-36 V36 VBGA BGA-48 - pitch 0.8 mm Highspeed card edge connector for 1.6mm PCB's with 30 contacts (not polarized Highspeed card edge connector for 2.4mm PCB's with 40 contacts (not polarized Highspeed card edge card connector socket for 2.36mm PCBs, vertical, alignment pins (source: https://suddendocs.samtec.com/prints/hsec8-1xxx-xx-xx-dv-x-xx-footprint.pdf 0.8 mm Highspeed card edge connector for 2.4mm PCB's with 60 contacts (polarized Highspeed card edge connector for 1.6mm PCB's with 05 contacts (polarized Highspeed card edge connector for PCB's with 40 contacts (not polarized Highspeed card edge connector for 1.6mm PCB's with 20 contacts (not polarized Highspeed card edge card connector socket for 2.36mm PCBs, vertical (source: https://suddendocs.samtec.com/prints/hsec8-1xxx-xx-xx-dv-x-xx-footprint.pdf 0.8 mm Highspeed card edge connector for 1.6mm PCB's with 08 contacts (polarized Highspeed card edge connector for IQRF TR-x2DA(T) modules, http://iqrf.org/weben/downloads.php?id=104 8 pin DIP socket A-001 1 14 pin DIP socket A-004 4 Knobs Screws, nuts, and spacers (see [build notes](build.md)) | | | S1 | 1 | | | | R1, R10, R11 | 3 | A1M | Potentiometer | | | | | | | | | Tayda | A-553 | | D 2 rotary switch with Signal Lamp, generic K switch dual double-pole single-throw OFF-ON D Single Pole Single Throw (SPST) switch, small symbol D 12x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol D 3x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol D 7x.

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