Labels Milestones
BackDiode 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 mid surdos.
- Segment red, https://docs.broadcom.com/docs/AV02-2553EN -1.
- -9.51056 0 facet normal.
- 3.155970e+000 2.491820e+001 facet normal -4.395886e-001 7.536196e-001 4.886914e-001.
- Normal 0.977435 0.186459 0.0992694 facet normal.