Audio Driver / Shifter

This circuit provides DC level shifting of a line-level audio input to match a 0-3.3V ADC. Three circuits are provided on one "mini-board" size ExpressPCB design.

• Reference: (circuit wanted is p3 at the top) ​http://www.intantech.com/files/Intan_RHD2000_IO_level_shifters.pdf
• Schematic: ​PDF * ​ExpressPCB
• PCB Design: ​PDF * ​ExpressPCB
  • ​Top PDF * ​Bottom PDF
• Bill of Materials: ​CSV * ​XLS