control grid

Questions

What does control grid mean?

An electrode used in amplifying thermionic valves (vacuum tubes) such as the triode, tetrode and pentode, used to control the flow of electrons from the cathode to the anode. It usually consists of a cylindrical screen or helix of fine wire surrounding the cathode, and is surrounded in turn by the anode.

How to pronounce control grid

1. Open the pronunciation page — Open the Speakur entry for “control grid”.
2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
3. Play the audio — Click Play to hear reference audio for “control grid”.
4. Repeat and practice — Say “control grid” aloud, matching stress and vowels until it feels natural.