Control Grid

The control grid is an electrode used in thermionic valves (vacuum tubes) used to modulate the flow of electrons in the cathode to anode or plate circuit.

Read more about Control Grid:  Operation, Construction, Effects of Grid Position, Multiple Control Grids, Grid Variations

Famous quotes containing the word control:

    ““Have we any control over being born?,” my friend asked in despair. “No, the job is done for us while we’re sleeping, so to speak, and when we wake up everything is all set. We merely appear, like an ornate celebrity wheeled out in a wheelchair.” “I don’t remember,” my friend claimed. “No need to,” I said: “what need have us free-loaders for any special alertness? We’re done for.””
    —Marvin Cohen, U.S. author and humorist. The Self-Devoted Friend, New Directions (1967)