Build instructions

The build is rather straightforward: just solder everything in its right place and you’re done!

Schematics and PCB Layout

BOM

  • 7 Erthenvar jacks
  • 4 9mm pots (100k lin or log)
  • 5 100K resistors
  • 2 47K resistors
  • 1 330r resistor
  • 2 100n caps
  • 2 47pf caps
  • 1 tl072
  • 1 euro power header 2*5

Download

Download the source from Github https://github.com/smugrik/Triple-Attenuator-Mixer