Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent
1983-06-09
1985-07-02
Chatmon, Saxfield
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Combined cathode ray tube and circuit element structure
313293, 315 529, 315 537, 315 39, 332 7, H01J 2502
Patent
active
045270910
ABSTRACT:
An electron beam tube is described, having a flat cathode and a flat, close-spaced grid to density modulate the beam. The beam passes through an apertured anode and then through a hollow drift tube which is the central conductor of a coaxial resonator. A gap in the drift tube extracts wave energy from the density modulated beam.
The cathode-grid region is electrically isolated from the output resonator by the length of the drift tube which is cut off as a waveguide. The circuit is thus completely grounded-grid. The input resonator, a coaxial line connected across the cathode-grid space, is loaded by the input conductance, so as to reduce the gain. The invention increases the gain by introducing regeneration between the grid-anode space and the cathode-grid space. This is done by a coupled coaxial resonator system.
REFERENCES:
patent: 2642533 (1953-06-01), Preist
patent: 2945858 (1960-08-01), Stameson
patent: 3116435 (1963-12-01), Heil
patent: 3273011 (1966-09-01), Brown
patent: 3453482 (1969-07-01), Preist
patent: 3801854 (1974-04-01), Giebeler
patent: 4210845 (1980-07-01), Lebacqz
patent: 4434387 (1984-02-01), MacMaster et al.
patent: 4480210 (1984-10-01), Preist et al.
Chatmon Saxfield
Cole Stanley Z.
Nelson Richard B.
Varian Associates Inc.
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