1. Design for digital circuits including PLD , RISC (PIC), 51, x86, 6800 and ADSP-21XX; ISA, EISA bus  interfacing, test equipment, design experience with EMC and ATEX

 2. Design for analog circuits including DAC and ADC converters, instrumentation, sensors application: Hall effect, load cell, strain gauge, pressure, acceleration, gas/solvent detectors; brushless and stepping motors application, thermal head controllers

 3. Design for RF circuits including power RF amplifiers (up to 3GHz), digital controlled RF- band switches, micro-transmitters (100MHz-3GHz), receivers( 100MHz-3GHz), SAW filter applications, ZigBee transceiver applications, ISM equipment , GSM modem integrations, also RF PCB