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7. If, as a vendor? 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 the 16-pin connectors, consider incorporating additional LED indicators for active use of gate and CV lines? 3 5mm LEDs - Consider: 1 simple on/off switch/button/knob/etc. Period: 1 week 1 day 1 year Overview 0 Active Pull Request 1 Pull request proposed by 1 user #7 Cumulative fixes from v1.1 007cc05932 Checkpoint after converting most things to SMD 53c46eece1 Still trying to fit in glide controls 53c46eece113c24bce671b9108c3f713b2229189 Final-ish tweaks 0252301f35f8bebc5b9bb1af3f4a42193c706b15 More assembly notes 812d609d12a788e600a582b2b6e7494f6d2b0728 More mounting hole 5.3mm m5 iso14580 Mounting Hole 6.4mm, no annular, M2.5, ISO14580.

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