Radio‐Frequency System. Part I—Design Principles

The Cosmotron rf system must supply a 2000‐volt radio‐frequency accelerating signal across an insulated gap in the vacuum chamber. During the one‐second accelerating cycle the frequency must vary from about 370 kc to 4.2 Mc at a rate determined by the rate of change of the field in the gap of the Co...

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Bibliographic Details
Published in:Review of scientific instruments 1953-09, Vol.24 (9), p.779-781
Main Author: Blewett, John P.
Format: Article
Language:English
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Summary:The Cosmotron rf system must supply a 2000‐volt radio‐frequency accelerating signal across an insulated gap in the vacuum chamber. During the one‐second accelerating cycle the frequency must vary from about 370 kc to 4.2 Mc at a rate determined by the rate of change of the field in the gap of the Cosmotron magnet. Frequency is swept in an oscillator whose resonant circuit includes a ferrite‐loaded saturable inductor. The impedance of the gap and its associated shield is maintained by ferrite loading. A description is included of the sequence of control and switching operations in the rf system during a complete Cosmotron cycle.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1770831