Selectively damped travelling wave tube

Details Selectively damped travelling wave tube Selectively damped travelling wave tube

1975-07-17

1977-01-04

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 36, 331 82, H01J 2534

Patent

active

040016307

ABSTRACT:
Selectively damped travelling wave tubes having particularly periodically alternating magnetic field for guiding the electron beam comprise a delay line consisting of cells which are separated from each other by partitions and which are positioned one behind the other in the direction of beam travel. At least one resonator chamber is provided with damping material and coupled to at least one of the cells, the resonant frequency of the resonator chamber being at least almost equivalent to a predetermined interference frequency and each of the chamber resonators formed by a recess in a partition and its resonant frequency having the most energetic oscillation corresponding at least approximately to the frequency of an interference mode which is above the operational frequency band.

REFERENCES:
patent: 3221204 (1965-11-01), Hant et al.
patent: 3221205 (1965-11-01), Sensiper
patent: 3329855 (1967-07-01), Landsbergen
patent: 3360679 (1967-12-01), Rubert
patent: 3412279 (1968-11-01), Allen et al.
patent: 3602766 (1971-08-01), Grant
patent: 3771010 (1973-11-01), Winslow

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