Design and construction 1,947 Integrated circuits 1,538 Electronic circuits 1,218 Electric circuits 959 Electronic circuit design 862 Electric circuit analysis 706 Data processing 685 Very large scale integration 531 Logic circuits 438 Computer-aided design 356 Linear integrated circuits 356 Radio circuits 348 Digital electronics 329 Digital integrated circuits 309 Electronic apparatus and appliances 303 Printed circuits 297 Metal oxide semiconductors, Complementary 282 Electronics 279 Microwave circuits 274 Semiconductors 271 Logic design 223 Testing 215 Wireless communication systems 206 Circuits 201 Equipment and supplies 170 Electronic digital computers 169 Low voltage integrated circuits 163 Computer simulation 153 Power electronics 134 Switching circuits 126