"Digitron" redirects here. For a calculator company, see Digitron (company).
The ten digits of a GN-4 Nixie tube
A Nixie tube (English: /ˈnɪk.siː/NIK-see), or cold cathode display,[1] is an electronic device used for displaying numerals or other information using glow discharge.
Inside a broken Nixie tube
The glass tube contains a wire-mesh anode and multiple cathodes, shaped like numerals or other symbols. Applying power to one cathode surrounds it with an orange glow discharge. The tube is filled with a gas at low pressure, usually mostly neon and a small amount of argon, in a Penning mixture.[2][3] In later nixies, in order to extend the usable life of the device, a tiny amount of mercury was added to reduce cathode poisoning and sputtering.
Although it resembles a vacuum tube in appearance, its operation does not depend on thermionic emission of electrons from a heated cathode. It is hence a cold-cathode tube (a form of gas-filled tube), and is a variant of the neon lamp. Such tubes rarely exceed 40 °C (104 °F) even under the most severe of operating conditions in a room at ambient temperature.[4] Vacuum fluorescent displays from the same era use completely different technology—they have a heated cathode together with a control grid and shaped phosphor anodes; Nixies have no heater or control grid, typically a single anode (in the form of a wire mesh, not to be confused with a control grid), and shaped bare metal cathodes.
^"Calculator Displays". www.vintagecalculators.com. Archived from the original on August 22, 2013.
A Nixietube (English: /ˈnɪk.siː/ NIK-see), or cold cathode display, is an electronic device used for displaying numerals or other information using glow...
up nixie in Wiktionary, the free dictionary. Nixie may refer to: Nixie (folklore), a water spirit in Germanic mythology and folk tales Nixietube, a gas-filled...
used in vector displays of early computers and in oscilloscopes. 1955 Nixietube: 1957 Split-flap display: 1961 Flip-disc display: 1960s Stroboscopic display:...
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lamp, a miniature gas-discharge lamp Digitron / cold cathode display / Nixietube, an electronic device used for displaying numerals or other information...
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stores had vacuum tube testers, and sold replacement tubes. Some Nixietubes were also designed to use sockets. Throughout the tube era, as technology...
Comptometer division, they used vacuum tubes and cold-cathode switching tubes in their logic circuits and nixietubes for their numerical displays. They were...
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control and computer sections into a single unit, and replaced the earlier Nixietube displays with LEDs. Some VASCAR systems have included the ability to set...
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