cathode-heater tube

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• 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

• Heater (disambiguation) — Heater is an object that emits heat.Heater may also refer to:In electronics: * Filament in a vacuum tube that heats the cathode to aid in thermionic emission of electronsIn music: * Heater (Muttonbirds song), a song by Muttonbirds * Heater (Samim …   Wikipedia

• heater — [hēt′ər] n. 1. an apparatus for heating or warming a room, car, water, etc.; stove, furnace, radiator, etc. 2. a person whose work is to heat something 3. in an electron tube, an element set inside the cathode and heated by an electric current so …   English World 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

• heater — /hee teuhr/, n. 1. any of various apparatus for heating, esp. for heating water or the air in a room. 2. Electronics. the element of a vacuum tube that carries the current for heating a cathode. 3. Slang. a pistol, revolver, or other firearm.… …   Universalium

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

• 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

• Magic eye tube — EM11 tuning eye A magic eye tube gives a visual indication for audio output, radio frequency signal strength, or other functions. It is also called a cat s eye, or tuning eye tube. These tubes were used by radio receivers from around 1936 onwards …   Wikipedia

• Mullard-Philips tube designation — In Europe, the principal method of numbering vacuum tubes (or thermionic valves , as they are referred to in Europe and Australia, etc.) was the nomenclature developed and used by Mullard in the UK and applied Europe wide thanks to their… …   Wikipedia

• RMA tube designation — In the years 1942 1944, the Radio Manufacturers Association used a descriptive nomenclature system for industrial, transmitting, and special purpose vacuum tubes. The numbering scheme was distinct from both the numbering schemes used for standard …   Wikipedia

• Voltage regulator tube — A voltage regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a pre determined level.Physically, these devices resemble vacuum tubes, but there are two main differences: * Their glass… …   Wikipedia