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- 955_acorn_triode abstract "The type 955 triode \"acorn tube\" is a small triode thermionic valve (vacuum tube in USA) designed primarily to operate at high frequency; although data books specify an upper limit of 400–600 MHz, some circuits may obtain gain up to about 900 MHz. Interelectrode capacitances and Miller capacitances are minimized by the small dimensions of the device and the widely separated pins. The connecting pins are placed around the periphery of the bulb and project radially outward: this maintains short internal leads with low inductance, an important property allowing operation at high frequency. The pins fit a special socket fabricated as a ceramic ring in which the valve itself occupies the central space.The 955 is one of about a dozen types of \"acorn valve\", so called because their size and shape is similar to the acorn (nut of the oak tree), designed to work in the VHF range. The 954 and 956 types are sharp and remote cut-off pentodes, respectively, all with indirect 6.3 V, 150 mA heaters. Types 957, 958 and 959 are for portable equipment and have 1.25 V NiCd battery heaters. The 957 is a medium-mu signal triode, the 958 is a transmitting triode with dual, paralleled filaments for increased emission, and the 959 is a sharp cut-off pentode like the 954. The 957 and 959 draw 50 mA heater current, the 958 twice as much. In 1942, the 958A with tightened emission specs was introduced after it turned out that 958s with excessively high emission kept working after the filament power was turned off, the filament still sufficiently heating on the anode current alone.".
- 955_acorn_triode thumbnail 955ACORN.jpg?width=300.
- 955_acorn_triode wikiPageExternalLink 954.pdf.
- 955_acorn_triode wikiPageExternalLink 955.pdf.
- 955_acorn_triode wikiPageExternalLink 956.pdf.
- 955_acorn_triode wikiPageExternalLink 957.pdf.
- 955_acorn_triode wikiPageExternalLink 958A.pdf.
- 955_acorn_triode wikiPageExternalLink 959.pdf.
- 955_acorn_triode wikiPageID "22219418".
- 955_acorn_triode wikiPageLength "5373".
- 955_acorn_triode wikiPageOutDegree "15".
- 955_acorn_triode wikiPageRevisionID "676271289".
- 955_acorn_triode wikiPageWikiLink Acorn.
- 955_acorn_triode wikiPageWikiLink Acorn_tube.
- 955_acorn_triode wikiPageWikiLink Amplifier.
- 955_acorn_triode wikiPageWikiLink Capacitance.
- 955_acorn_triode wikiPageWikiLink Category:Vacuum_tubes.
- 955_acorn_triode wikiPageWikiLink Inductance.
- 955_acorn_triode wikiPageWikiLink Miller_effect.
- 955_acorn_triode wikiPageWikiLink Nickel–cadmium_battery.
- 955_acorn_triode wikiPageWikiLink Oscillation.
- 955_acorn_triode wikiPageWikiLink Triode.
- 955_acorn_triode wikiPageWikiLink Vacuum_tube.
- 955_acorn_triode wikiPageWikiLink Very_high_frequency.
- 955_acorn_triode wikiPageWikiLink File:955ACORN.jpg.
- 955_acorn_triode wikiPageWikiLink File:AcornTubeSockets.agr.jpg.
- 955_acorn_triode wikiPageWikiLinkText "955 "acorn"".
- 955_acorn_triode wikiPageWikiLinkText "955 acorn triode".
- 955_acorn_triode wikiPageWikiLinkText "955".
- 955_acorn_triode wikiPageWikiLinkText "acorn tube".
- 955_acorn_triode caption "Left: TO-72 Transistor for comparison".
- 955_acorn_triode caption "Right: R.C.A. 955 U.H.F. Triode tube".
- 955_acorn_triode cathodeType "Indirectly heated".
- 955_acorn_triode classAAmplificationFactor "20".
- 955_acorn_triode classAAnodeCurrent "4.2".
- 955_acorn_triode classAAnodeResistance "12.5".
- 955_acorn_triode classAAnodeVoltage "180.0".
- 955_acorn_triode classABiasVoltage "-5.0".
- 955_acorn_triode classification "V.H.F. Triode".
- 955_acorn_triode heaterCurrent "150.0".
- 955_acorn_triode heaterVoltage "6.3".
- 955_acorn_triode maxDissipation "1.0".
- 955_acorn_triode maxVoltage "250.0".
- 955_acorn_triode reference "Philips Valve Data Book, Australia, 1954".
- 955_acorn_triode reference "RCA Datasheets of 954, 955, 956, 957, 958A, 959".
- 955_acorn_triode service "Class-A amplifier or oscillator".
- 955_acorn_triode wikiPageUsesTemplate Template:Infobox_vacuum_tube.
- 955_acorn_triode subject Category:Vacuum_tubes.
- 955_acorn_triode hypernym Valve.
- 955_acorn_triode type AnatomicalStructure.
- 955_acorn_triode type Component.
- 955_acorn_triode comment "The type 955 triode \"acorn tube\" is a small triode thermionic valve (vacuum tube in USA) designed primarily to operate at high frequency; although data books specify an upper limit of 400–600 MHz, some circuits may obtain gain up to about 900 MHz. Interelectrode capacitances and Miller capacitances are minimized by the small dimensions of the device and the widely separated pins.".
- 955_acorn_triode label "955 acorn triode".
- 955_acorn_triode sameAs Q4646000.
- 955_acorn_triode sameAs Zīlītes_tipa_lampa.
- 955_acorn_triode sameAs Lampa_żołędziowa.
- 955_acorn_triode sameAs m.05q8l8x.
- 955_acorn_triode sameAs Q4646000.
- 955_acorn_triode wasDerivedFrom 955_acorn_triode?oldid=676271289.
- 955_acorn_triode depiction 955ACORN.jpg.
- 955_acorn_triode isPrimaryTopicOf 955_acorn_triode.