Method and device for reducing beam current modulation caused by

Details Method and device for reducing beam current modulation caused by Method and device for reducing beam current modulation caused by

1995-03-02

1997-01-28

Lee, Benny

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 537, H01J 2534

Patent

active

055980643

ABSTRACT:
A method and a device for reducing the modulation of the beam current in a travelling wave tube caused by mechanical vibrations, in which the modulation of the beam current is measured and compared with a reference value. The difference signal generated by the comparison affects the grid bias of the travelling wave tube in such a way that the modulation of the beam current is opposed.

REFERENCES:
patent: 3316485 (1967-04-01), La Rue et al.
patent: 3596209 (1971-07-01), Picard
patent: 3890545 (1975-06-01), Rosen
patent: 4000471 (1976-12-01), Pankow
patent: 4471265 (1984-09-01), Rasmusson
patent: 4797626 (1989-01-01), Honda et al.

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