Device for attenuating cavity interference waves in a high-frequ

Details Device for attenuating cavity interference waves in a high-frequ Device for attenuating cavity interference waves in a high-frequ

1977-07-11

1979-11-13

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

333228, 333251, 331 97, H01J 746, H01J 1980

Patent

active

041744926

ABSTRACT:
A device for attenuating electromagnetic cavity interference waves, which occur in the vacuum system of a high-frequency electron tube, in particular a transmitting tube, comprising a wave-guide portion coupled to the cavity of the electron tube, which may or may not form a part of the vacuum system of the electron tube, and which wave-guide portion may have a length corresponding approximately to a quarter wave length of the interference waves, and is provided with a high-ohmic resistive coating, the high resistance of which is transformed by the wave-guide portion into a low resistance with respect to the cavity interference waves which are to be attenuated, in the cavity of the electron tube.

REFERENCES:
patent: 2644889 (1953-07-01), Finke et al.
patent: 3360679 (1967-12-01), Rubert
patent: 3365607 (1968-01-01), Ruetz et al.
patent: 3412279 (1968-11-01), Allen et al.
patent: 3634790 (1972-01-01), Turteltaub
patent: 3995241 (1976-11-01), Mourier

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