screen grid
noun Electronics.
a grid placed between the anode and the control electrode in a vacuum tube, usually maintained at a fixed positive potential.
Origin of screen grid
First recorded in 1925–30
Words nearby screen grid
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British Dictionary definitions for screen grid
screen grid
noun
electronics
an electrode placed between the control grid and anode of a valve and having a fixed positive potential relative to the grid. It acts as an electrostatic shield preventing capacitive coupling between grid and anode, thus increasing the stability of the device
Sometimes shortened to: screen See also suppressor grid