grid bias

noun Electronics.

the potential difference applied between a grid and the cathode of a vacuum tube.

Origin of grid bias

First recorded in 1925–30

Also called C-bias.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for grid bias

grid bias

noun

the fixed voltage applied between the control grid and cathode of a valve

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