Tunable magnetron of the coaxial-vacuum type

Details Tunable magnetron of the coaxial-vacuum type Tunable magnetron of the coaxial-vacuum type

1982-11-29

1985-07-23

LaRoche, Eugene R.

Oscillators

With magnetically controlled space discharge device

With frequency adjustment

315 3955, 315 3961, H03B 910, H01J 2550

Patent

active

045311048

ABSTRACT:
A tunable, coaxial-vacuum magnetron is shown having a cathode surrounded by an anode within a surrounding evacuated anode cavity. Located between the cathode-anode interaction space and an output from the anode cavity is a tuning mechanism which includes a single symmetrical ceramic tuning rod that is adjusted along its axis into and out of the anode cavity. The adjustment mechanism includes a tuning nut rotatably mounted in a tuning housing which turns to move a threaded shaft along the axis thereof. Separating the threaded shaft from the anode cavity is a bellows attached to the tuning housing and to which is attached the symmetrical tuning rod for sealing the vacuum cavity.

REFERENCES:
patent: 4131825 (1978-12-01), Mattsson
patent: 4194142 (1980-03-01), Gerard
patent: 4371849 (1983-02-01), Longley

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