Design and construction 25 Metal oxide semiconductors, Complementary 14 Electronic circuit design 13 Linear integrated circuits 12 Radio 9 Detectors 8 Analog-to-digital converters 7 Electronic analog computers 6 Mobile communication systems 6 Systems engineering 6 Transmitter-receivers 6 Biomedical engineering 5 Radio frequency integrated circuits 5 Application specific integrated circuits 4 Broadband communication systems 4 Circuits 4 Electronics 4 Software radio 4 Switched capacitor circuits 4 Temperature measuring instruments 4 Ultra-wideband devices 4 Wireless communication systems 4 Computer-aided design 3 Medical electronics 3 Metal oxide semiconductor field-effect transistors 3 Radio frequency 3 Receivers and reception 3 Signal detection 3 Automatic gain control 2 Circuit 2