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Screen-grid



noun, Electronics.
1.
a grid placed between the anode and the control electrode in a vacuum tube, usually maintained at a fixed positive potential.
noun
1.
(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

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