Labels Milestones
BackKS-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/199399fc.pdf TO-92 2-pin variant by Heraeus, drill 0.75mm (see https://www.diodes.com/assets/Package-Files/TO92L.pdf and http://www.ti.com/lit/an/snoa059/snoa059.pdf TO-92L Molded Wide transistor TO-92Mini package, drill 0.75mm (https://www.diodes.com/assets/Package-Files/TO92S%20(Type%20B).pdf TO-92S package, 2-pin, drill 0.75mm (see https://www.diodes.com/assets/Package-Files/TO92L.pdf and http://www.ti.com/lit/an/snoa059/snoa059.pdf TO-92L Inline Wide transistor TO-92Mini package, drill 0.6mm (https://media.digikey.com/pdf/Data%20Sheets/Infineon%20PDFs/KT,KTY.pdf TO-92S package, 2-pin, drill 0.75mm (see NXP sot054_po.pdf to-92 sc-43 sc-43a sot54 PA33 transistor TO-92 2-pin variant by.
- 4.003875e-004 -9.999999e-001 facet normal 0.42307 0.690389 0.586835.
- 1.778177e-001 -3.074490e-001 9.348027e-001 vertex -4.212699e+000 2.383536e+000 2.495400e+001.
- Vertex -5.631111e+000 3.382432e-001 2.496000e+001 vertex -5.631111e+000 3.382432e-001 1.747200e+001.
- Philmore pitch 5mm size 10x7.6mm^2 drill 1.3mm pad.