Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent
1994-04-29
1996-04-02
Lee, Benny T.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Combined cathode ray tube and circuit element structure
315 548, 315 551, 315 553, 315 554, 333251, H01J 2320, H01J 2354
Patent
active
055043933
ABSTRACT:
A combination tuner and harmonic suppressor apparatus is provided for a klystron having a gap defined across a resonant cavity. The apparatus comprises a back cavity coupled to the resonant cavity by a coupling iris. Harmonic resonances within the resonant cavity are conducted to the back cavity through the coupling iris. An absorber disposed within the back cavity absorbs and attenuates the energy of the harmonic resonances. The coupling iris can be capacitively tuned to optimally conduct the harmonic frequencies into the back cavity. The apparatus further comprises an open-ended diaphragm providing a wall of the resonant cavity, disposed between the back cavity and the resonant cavity. A bellows provides a barrier between a vacuum environment within the klystron and a non-vacuum environment external to the klystron, and enables a broad range of movement of the diaphragm.
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patent: 5304942 (1994-04-01), Symons et al.
Lee Benny T.
Litton Systems Inc.
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