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)
“A beautiful vacuum filled with wealthy monogamists, all powerful and members of the best families all drinking themselves to death.”
—Ernest Hemingway (1899–1961)
“The relationship between mother and professional has not been a partnership in which both work together on behalf of the child, in which the expert helps the mother achieve her own goals for her child. Instead, professionals often behave as if they alone are advocates for the child; as if they are the guardians of the child’s needs; as if the mother left to her own devices will surely damage the child and only the professional can rescue him.”
—Elaine Heffner (20th century)