Solid state electronics 215 Electronic apparatus and appliances 85 Electronic circuits 42 Semiconductors 26 Transistor amplifiers 25 Operational amplifiers 20 Electron transport 14 Electronics 10 Solid state chemistry 10 Solid state physics 9 Microelectronics 7 Power semiconductors 6 Solid state electronic 6 Actuators 4 Electrochemistry 4 Integrated circuits 4 Mesoscopic phenomena (Physics) 4 Nanostructures 4 Optical fiber detectors 4 Power electronics 4 Transducers 4 Amplifiers, Radio frequency 3 Detectors 3 Electronic circuit design 3 Equipment and supplies 3 Materials 3 Microwave amplifiers 3 Microwave circuits 3 Noise 3 Power amplifiers 3