Definition of grid bias in English:

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grid bias


A fixed voltage applied between the cathode and the control grid of a thermionic tube in order to determine the grid’s operating conditions.
Example sentences
  • This form of grid bias is suitable only for small a valves having very small signal input voltages.
  • The actual signal that drives the tube is the combination of the grid bias and the audio drive signal.
  • Furthermore, there is a frame containing three rectifiers for the grid biases of different stages.

For editors and proofreaders

Syllabification: grid bi·as

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