Gyrotron transmitting tube

Details Gyrotron transmitting tube Gyrotron transmitting tube

1980-12-24

1983-07-26

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 3, 315 5, 315 535, 315 538, H01J 2500

Patent

active

043956564

ABSTRACT:
An improved R.F. transmitting tube for the 20 GHz to 500 GHz range comprises a gyrotron (10) and a multistage depressed collector (11) as shown in FIG. 1. A winding (19) provides a magnetic field which acts on spent, spinning or orbiting electrons changing their motion to substantially forward linear motion in a downstream direction.
The spent electrons then pass through a focusser (18) into the collector (11). Nearly all of the electrons injected into the collector will remain within an imaginary envelope designated by dashed lines 8 and 9 as they travel forward toward the end collector plate (26). The apertures in the collector plates (22-25) are at least as large in diameter as the envelope (8,9) at any particular axial position.
FIG. 2 illustrates magnetic field strength from the cathode (13) of FIG. 1 to the collector entrance in focusser 18.

REFERENCES:
patent: 3302053 (1967-01-01), Udelson
patent: 3433992 (1969-03-01), Tancredi et al.
patent: 3463959 (1969-08-01), Jory et al.
patent: 3614516 (1971-10-01), Phillips
patent: 3764850 (1973-10-01), Kosmahl
patent: 4207495 (1980-06-01), McDowell

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