The RCA 6949 As A Self-Excited Cyclotron Oscillator

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The oscillator of the 88-in. cyclotron which is being built in Berkeley is tunable from 5.3 to 16.5 Mc. It delivers a maximum c-w power of 300 kw. At the rated doc voltage of 75 kv the resonator stores 4.5 joules of electrical energy. The transients produced by this amount of energy, during sparking, place unusual requirements upon the design of the oscillator tube. The features of the RCA 6949 which make it particularly well-suited to this type of application are discussed in this paper. Other topics covered are the oscillator anode power supply, the hard-tube modulator, protective equipment, and … continued below

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22 pages : illustrations

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Smith, Bob H. October 25, 1960.

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The oscillator of the 88-in. cyclotron which is being built in Berkeley is tunable from 5.3 to 16.5 Mc. It delivers a maximum c-w power of 300 kw. At the rated doc voltage of 75 kv the resonator stores 4.5 joules of electrical energy. The transients produced by this amount of energy, during sparking, place unusual requirements upon the design of the oscillator tube. The features of the RCA 6949 which make it particularly well-suited to this type of application are discussed in this paper. Other topics covered are the oscillator anode power supply, the hard-tube modulator, protective equipment, and oscillator instrumentation.

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22 pages : illustrations

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Digitized from microopaque cards (1).

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  • SuDoc Number: Y 3.At 7:22/UCRL-9435
  • Report No.: UCRL-9435
  • Accession or Local Control No: metadc1254638
  • Archival Resource Key: ark:/67531/metadc1254638

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  • October 25, 1960

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  • Feb. 5, 2022, 9:48 a.m.

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  • Nov. 29, 2022, 3:50 p.m.

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Smith, Bob H. The RCA 6949 As A Self-Excited Cyclotron Oscillator, report, October 25, 1960; Livermore, California. (https://digital.library.unt.edu/ark:/67531/metadc1254638/: accessed October 16, 2026), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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