Design and construction 1,519 Electronic circuit design 862 Integrated circuits 484 Data processing 330 Radio circuits 205 Printed circuits 161 Digital integrated circuits 159 Computer-aided design 150 Linear integrated circuits 143 Logic circuits 136 Metal oxide semiconductors, Complementary 136 Electronic circuits 123 Semiconductors 107 Digital electronics 88 Design 80 Low voltage integrated circuits 77 VHDL (Computer hardware description language) 76 Electric circuit analysis 71 Radio frequency 71 Equipment and supplies 70 Logic design 69 Metal oxide semiconductor field-effect transistors 67 Very large scale integration 62 Wireless communication systems 57 Testing 55 Power electronics 54 Circuits 53 Radio frequency integrated circuits 53 Electronic digital computers 49 Microwave circuits 48