Digital lock-in amplifier

Description

For a visual range measurement system a digital lock-in amplifier was implemented.

Technologies

Xilinx Zynq-SoC ♦ VHDL ♦ C ♦ C++ ♦ Linux ♦ AXI ♦ IIR-Filter ♦ CORDIC

Tools

Xilinx Vivado ♦ Xilinx Vivado Simulator ♦ GHDL ♦ GCC compiler

Our contributed services

System designFPGA und SoC designSoftware development

Scope of work

  • Familiarization with the requirements
  • System design
  • FPGA design
    • Trigger control with sine generator (CORDIC)
    • Mixer
    • IIR filter
    • Averager
    • Used ipCores: None
    • Simulation
  • Development of a Linux driver
  • Development of a C++ interface class to use the FPGA from a Linux application