control grid

control grid
an electrode placed between the cathode and anode of a vacuum tube to control the flow of electrons through the tube
Syn: ↑grid
Hypernyms: ↑electrode

* * *

: a grid usually placed between the cathode and plate of an electron or vacuum tube to modulate the flow of electrons

* * *

control grid,
a control electrode in a vacuum tube, usually a screen or coil of fine wire, used to regulate the current between the cathode and the anode; grid.

Useful english dictionary. 2012.

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