Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...
Patent
1982-06-21
1984-11-06
Chatmon, Saxfield
Electric lamp and discharge devices: systems
With cathode or cathode heater supply circuit
Discharge device and/or rectifier in the cathode or heater...
219 1055B, 331 86, 315 3951, 315105, 315107, H05B 3900, H05B 4114
Patent
active
044814470
ABSTRACT:
A method of controlling the power output of a magnetron tube, and an electric power supply for supplying power to the tube. According to the method, power is continuously supplied to the magnetron heater. At the same time, a voltage is continuously applied across the anode and the cathode of the tube. This voltage across the anode and the cathode varies in cycles between a first value, which is substantially at or below the threshold voltage of the magnetron tube, and a second value, which is above the threshold voltage. The average magnetron power output is determined by the proportion of each cycle during which the voltage across the anode and the cathode is above the threshold voltage.
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Electronic Designers' Handbook, Second Edition, L. J. Giacoletto, Editor, McGraw-Hill Book Co.
Fellows Mark W.
Stupp Edward H.
Chatmon Saxfield
Schechter Marc D.
U.S. Philips Corporation
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