- hot-cathode tube
- a vacuum tube in which the cathode is electrically heated to incandescence and in which the stream of electrons depends on the temperature of the cathode.
Medical dictionary. 2011.
hot-cathode tube
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hot-cathode tube — /hot kath ohd/, Electronics. See thermionic tube. [1910 15] * * * … Universalium
hot-cathode tube — /hot kath ohd/, Electronics. See thermionic tube. [1910 15] … Useful english dictionary
hot-cathode — ˈ ̷ ̷| ̷ ̷ˌ ̷ ̷ adjective : operated by thermionic emission from a heated cathode hot cathode tube … Useful english dictionary
Hot cathode — is also a name for a hot filament ionization gauge, a vacuum measuring device.In vacuum tubes, a hot cathode is a cathode electrode which emits electrons due to thermionic emission. ( Cf. cold cathodes, where field emission is used and which do… … Wikipedia
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Hot filament ionization gauge — Infobox Laboratory equipment name = Hot filament ionization gauge caption = Bayard Alpert hot thoriated iridium filament ionization gauge on 2.75 in conflat flange acronym = other names = Hot cathode gauge Bayard Alpert gauge uses = Pressure… … Wikipedia
Cathode heater — A cathode heater is a filament used to heat the cathode in a vacuum tube or cathode ray tube. Before transistors and integrated circuits came into widespread use, electronic devices used vacuum tubes. The cathode element had to achieve the… … Wikipedia
Cathode ray tube — Cutaway rendering of a color CRT: 1. Three Electron guns (for red, green, and blue phosphor dots) 2. Electron beams 3. Focusing coils 4. Deflection coils 5. Anode connection 6. Mask for separating beams for red,… … Wikipedia
cathode-ray tube — noun a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen • Syn: ↑CRT • Hypernyms: ↑gas discharge tube • Hyponyms: ↑Crookes tube … Useful english dictionary
Tube socket — Left to right: octal (top and bottom view), loctal, and miniature (top and side view) sockets. An early transistor socket and an IC socket are included for comparison. Tube sockets are electrical sockets into which vacuum tubes (also known as… … Wikipedia
