• Thumbnail for 955 acorn triode
    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...
    6 KB (528 words) - 22:27, 18 November 2023
  • Thumbnail for Acorn tube
    millions of surplus EF50s were dumped on the market. Electronics portal 955 acorn triode "Recent developments in miniature tubes" (PDF). R.C.A. Manufacturing...
    5 KB (570 words) - 07:37, 23 March 2025
  • Thumbnail for List of vacuum tubes
    Indirectly heated power triode, 5-pin base 4641 – Directly heated power triode, 4-pin base 4671/E1C (955) – Indirectly heated Acorn triode 4672/E1F (954) – Indirectly...
    329 KB (40,549 words) - 01:42, 6 May 2025
  • lacked stability and was replaced with a circuit using an RCA type 955 acorn triode. The returned pulses were displayed on a cathode-ray oscilloscope,...
    142 KB (22,260 words) - 00:21, 5 May 2025
  • Thumbnail for History of radar
    to track, and the receiver sensitivity was improved by using an RCA 955 acorn triode as the local oscillator. A demonstration of the improved Zenit was...
    152 KB (22,377 words) - 21:21, 21 April 2025
  • EC8010 – UHF triode for use as amplifier or oscillator up to 1 GHz EC8020 – UHF triode E1C, 4671 (955) – Acorn UHF triode E20C – RF triode for wide band...
    125 KB (15,270 words) - 23:06, 23 December 2024
  • was not sufficiently sensitive, and was redesigned by Truten using a 955 acorn triode from RCA. In September 1940, Slutskin demonstrated the revised Zenit...
    10 KB (1,472 words) - 15:57, 5 May 2025