Labels Milestones
BackDiode Ladder VCF ~$8 in parts, needing only one tl074 and support 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.
- -8.52891e-07 -0.995037 vertex 2.39477.
- Change op amp, dims to user drawings Add.
- THT Vertical ACDC-Converter, 3W, HiLink, HLK-PMxx, THT.