• 24 bit ADC
• 4 differential input channels (+/- 10V)
• Simultaneous sampling on all channels up to 128k
• SD card data storage
• Battery operated, hand-held unit
• Open-source hardware and VHDL software

Current status:

• Basic system is fully operational
• Analog board finished (see photo on the left)
• FPGA reads analog data and writes to SD card

Download:

• System block diagram
• Analog schematic
• Bill of materials
• PCB gerbers and drill files
• VHDL for ADC interface
• VHDL for SD card interface