Traveling-wave tube utilizing vacuum housing as an rf circuit

Details Traveling-wave tube utilizing vacuum housing as an rf circuit Traveling-wave tube utilizing vacuum housing as an rf circuit

1980-04-14

1982-08-31

Paschall, M. H.

Electric heating

Metal heating

Of cylinders

219121PL, 219121L, 219 1055R, 29600, 315 35, 315 36, H05B 664

Patent

active

043474195

ABSTRACT:
A traveling-wave-tube has a vacuum housing that includes the helix rf circuitry. The helix conductor is intertwined with and hermetically sealed to the insulating material comprising the vacuum housing. Thus, portions of the helix serve for interaction with the electron beam in the center of the vacuum housing while other portions are in contact with the atmosphere, thus cooling the helix and permitting the tube to operate at higher average powers.

REFERENCES:
patent: 3504223 (1970-03-01), Orr et al.
patent: 3670197 (1972-06-01), Unger
RCA #194, 1958, "Means for Supporting Magnetic Elements of Traveling Wave bes", Valva et al.

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