Electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Electron tube
Thermionic tube
Thermionic vacuum tube
Thermionic valve
Tube
Electronic device
Acorn tube
Magnetron
Pentode
Rectifying tube
Rectifying valve
Television-camera tube
Television pickup tube
Tetrode
Triode
X-ray tube
Diode
Electron multiplier
Gas-discharge tube
Klystron
Cathode
Electrode
Grid
Anode
Control grid
Plate
Circuit
Electric circuit
Electrical circuit