Digital Designs

    AFG PC-board (ISA): DDS 20Ms/sec Arbitrary Function
     Generator 12bit, THD < -60dB.

    Dedicated microprocessor for temperature compensation
     calculations (in VHDL).

    PROM (zener zapping): including programming interface and
     readout circuits.

    Programmable sub-audio tone generator for signaling in a
     mobile phone.