Mixed signal circuits 30 Design and construction 19 Electronic circuit design 17 Metal oxide semiconductors, Complementary 11 Design 9 Analog-to-digital converters 8 Digital techniques 8 Signal processing 8 Integrated circuits 7 Frequency synthesizers 4 Linear integrated circuits 4 Phase-locked loops 4 Computer-aided design 2 Design and constructon 2 Gate array circuits 2 Signal generators 2 Verilog (Computer hardware description language) 2 Very large scale integration 2 Application specific integrated circuits 1