Gas Filled Devices
Gas filled tubes and neon lamps have also been used as voltage references, primarily in tube-based equipment, as the voltage needed to sustain the gas discharge is comparatively constant. For example, the popular RCA 991 "Voltage regulator tube" is an NE-16 neon lamp which fires at 87 Volts and then holds 48–67 Volts across the discharge path.
Read more about this topic: Voltage Reference
Famous quotes containing the words gas, filled and/or devices:
“Droning a drowsy syncopated tune,
Rocking back and forth to a mellow croon,
I heard a Negro play.
Down on Lenox Avenue the other night
By the pale dull pallor of an old gas light”
—Langston Hughes (1902–1967)
“... but by that time a lot of sea had rolled by and Lucette was too tired to wait. Then the night was filled with the rattle of an old but still strong helicopter. Its diligent beam could spot only the dark head of Van, who, having been propelled out of the boat when it shied from its own sudden shadow, kept bobbing and bawling the drowned girl’s name in the black, foam-veined, complicated waters.”
—Vladimir Nabokov (1899–1977)
“The gods being always close to men perceive those who afflict others with unjust devices and do not fear the wrath of heaven.”
—Hesiod (c. 8th century B.C.)