grid circuit

American  

noun

Electronics.

1. that part of a circuit that contains the cathode and the grid of a vacuum tube.

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Etymology

Origin of grid circuit

First recorded in 1915–20

Example Sentences

You remember that the current in the 68plate circuit can be controlled by the e. m. f. which is applied to the grid circuit.

From Letters of a Radio-Engineer to His Son by Mills, John

Then we shift the slider in the grid circuit so as to give the grid a small potential.

From Letters of a Radio-Engineer to His Son by Mills, John

Because the plate circuit is coupled to the grid circuit the grid is again affected and so there is a still larger effect in the plate circuit.

From Letters of a Radio-Engineer to His Son by Mills, John

The next step is to shift the slider in the grid circuit until we have again the original value of current in the plate circuit.

From Letters of a Radio-Engineer to His Son by Mills, John

If you do this over and over again, taking always the same time for one round trip of the clip you will be impressing on the grid circuit an “alternating e. m. f.”

From Letters of a Radio-Engineer to His Son by Mills, John