Labels Milestones
BackMK'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 either internal or external clock sources cycle between 0v and 5v or even much less. - One potentiometer for internal clock.
- Normal -4.395985e-13 -1.000000e+00 9.555517e-13.
- -4.55282 -4.55282 7.3242 vertex -0.201366.
- Amidon, T37, Transformer Toroid horizontal laying.