Mixed signal circuits Design and construction 30 Integrated circuits 20 Electronic circuit design 18 Testing 14 Metal oxide semiconductors, Complementary 11 Very large scale integration 11 Design 9 Analog-to-digital converters 8 Digital techniques 8 Signal processing 8 Linear integrated circuits 7 Mathematical models 5 Digital integrated circuits 4 Frequency synthesizers 4 Phase-locked loops 4 Boundary scan testing 3 Circuits 3 Differential equations 3 Electronic digital computers 3 Microwave integrated circuits 3 Printed circuits 3 Semiconductor storage devices 3 Signal generators 3 Standards 3 Computer simulation 2 Computer-aided design 2 Design and constructon 2 Digital control systems 2 Embedded computer systems 2