Engineering 58 Design and construction 53 Systems engineering 52 Electronics 43 Metal oxide semiconductors, Complementary 32 Analog-to-digital converters 25 Linear integrated circuits 18 Electronic circuit design 15 Microwaves 14 Radio 12 Computer engineering 11 Detectors 9 Transmitter-receivers 9 Computer-aided design 8 Electronic analog computers 8 Electronic circuits 8 Engineering design 7 Microelectronics 7 Radio frequency integrated circuits 7 Wireless communication systems 7 Biomedical engineering 6 Circuits 6 Integrated circuits 6 Mobile communication systems 6 Photodiodes 6 Software radio 6 Telecommunication 6 Receivers and reception 5 Ultra-wideband devices 5 Application specific integrated circuits 4