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A glowing plate in a vacuum tube circuit indicates that the tube is drawing excessive current. This causes the anode ("plate") to overheat and radiate a visible red or orange glow. In consumer electronics, this is universally indicative that the tube is experiencing an overload condition, though the reasons for the overload may vary.
Some high-powered vacuum tubes (e.g. large transmitter or induction heating tubes) have silica envelopes and/or graphite or zirconium coated tantalum plates which are intended to operate at glowing temperatures and thus employ radiation cooling. The zirconium plate coating acts as a getter, and proper getter action in these tubes depends on the plate running at high temperatures. Such tubes may develop excessive gas content if underloaded for long periods of time. One trade name for this type of plate coating is Eimac's "pyrovac".
A glowingplate in a vacuum tube circuit indicates that the tube is drawing excessive current. This causes the anode ("plate") to overheat and radiate...
studies. The name refers to the fluorescence he saw while looking at a glowingplate bombarded with X-rays. The technique provides moving projection radiographs...
In Japan, the national government issues vehicle registration plates for motor vehicles through the Ministry of Land, Infrastructure, Transport and Tourism...
operated past its design dissipation, its anode (plate) may glow red. In consumer equipment, a glowingplate is universally a sign of an overloaded tube....
or pinhole for a glowing, soft-focus image. One advantage over pinholes (aside from the unique, fuzzy look achieved with zone plates) is that the transparent...
subsun (also spelled sub-sun) is an optical phenomenon that appears as a glowing spot visible within clouds or mist when observed from above. The subsun...
processes. To make the image, a daguerreotypist polished a sheet of silver-plated copper to a mirror finish; treated it with fumes that made its surface light-sensitive;...
(0.1 Pa), this creates a glow discharge; a pattern of different colored glowing regions in the gas, depending on the pressure in the tube (see diagram)...
chitons are biofluorescent mainly around the girdle and may show a bright glowing green color under ultra-violet or blue light. Mossy chitons typically move...
country in Central America. Situated at the meeting point of three tectonic plates, it is highly seismologically active and the location of numerous earthquakes...
wavelengths from 510 to 670 nanometers. Some species such as the dimly glowing "blue ghost" of the Eastern US may seem to emit blueish-white light from...
Rhythm Plate are predominantly a deep house production duo who formed in 1995. They consist of Matt 'Rhythm' and Ant 'Plate', who have infrequently DJed...
outdoors on a grate until charred and soft or may be cooked whole directly on glowing coals and then peeled. Indoors, the eggplant may be charred on a gas burner...
introduced LUMINO, which contained small OLED lights that gave the Displate a glowing appearance. Textra posters, with textured surfaces, were first sold in...
remainder as infrared. A common thermal light source in history is the glowing solid particles in flames, but these also emit most of their radiation...
aggravating circumstances may allow pinching/ripping the criminal with glowing pincers, prior to quartering. The fate of Wilhelm von Grumbach in 1567...
original three Star Wars movies, where the production used it to create the glowing lightsaber effect with a matte based on sticks held by the actors. To achieve...
into streams, shown as foreground streaks against the background glow. A glowing strip of hydrogen gas marks the edge of the enormous cloud, and the densities...
in her eyes. The next day, Jim asks Betty about Armand and she gives a glowing description of him. Margaret suggests that Betty bring Armand over that...
originally compiled by the American astronomer George O. Abell in 1958 using plates from POSS, and extended to the southern hemisphere by Abell, Corwin and...
his other relatives who are far away from the city. One day, he saw a glowing black pair of shoes. When he wore the shoes, he immediately become able...
complicated by the fact that aluminium, unlike steel, will melt without first glowing red. Forming operations where a blow torch is used can reverse or remove...
mercury vapor half-wave rectifier tube. Glowing with 5mA Westinghouse 866A mercury vapor half-wave rectifier tube. Glowing with 5mA in the dark (long exposure)...
directly above the subduction zone of the Eurasian Plate and the Indo-Australian Plate where the plate boundaries make a sharp change of direction, possibly...
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