Circuit assembly for temperature-dependent cathode current track

Details Circuit assembly for temperature-dependent cathode current track Circuit assembly for temperature-dependent cathode current track

1984-03-27

1987-01-20

Moore, David K.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 3, 315 94, 313447, 313 13, 324409, H01J 2534

Patent

active

046382151

ABSTRACT:
A circuit assembly for temperature-dependent cathode current tracking in traveling-wave tubes having control electrodes and cathodes with a predetermined cathode current, in combination with a power supply, includes a temperature-dependent network thermally coupled to a given point of the traveling-wave tube for measuring the actual temperature of the tube, and an electronic control circuit in the power supply connected to the temperature-dependent network for keeping the predetermined cathode current substantially constant by varying the voltage at the control electrode of the tube.

REFERENCES:
patent: 4471265 (1984-09-01), Rasmusson
Mouzon, A Simple Temperature Controller, Oct. 1948, 659-662.
Wilson, Multicolored Indicator Light, Aug. 1970, 722.

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