RCA type 4-X-150-A radial beam power tetrode
date: label: date made
content: 1958
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: An 8-pin metal base with center post, ventilated top cap. Donor’s card reads: “Radial beam power tetrode made by the Radio Corporation of America in 1958. Used as an amplifier, oscillator, or frequency multiplier into the UHF frequency range. Operating in coaxial-cavity amplifier circuit this tube will deliver up to 150 watts power up to 500 megacycles. Heater type: 6 volts at 2.6 amperes, oxide coated cathode. For Class C plate modulated telephony up to 160 megacycles, 1000 volts on the plate, 250 volts on the screen, 150 volts negative control grid bias, 2 watts dtive, for an output of 140 watts.” See also: https://www.radiomuseum.org/tubes/tube_4x150a.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324971
label: catalog number
content: 324971
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: tetrode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 1/8 in x 1 1/2 in; 5.3975 cm x 3.81 cm