Voltage detection circuits for a-c power supplies

Details Voltage detection circuits for a-c power supplies Voltage detection circuits for a-c power supplies

1980-02-22

1983-02-15

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Transformer in the supply circuit

307350, 315 35, 324102, 328165, 363 39, 363 45, H05B 4116, H05B 4124

Patent

active

043743463

ABSTRACT:
A power supply control circuit is especially useful for a traveling wave tube, although it may also be used anyplace where desirable. An a-c power voltage is supplied to an input of the control circuit, where its frequency is multiplied to become a voltage having a period which is no greater than the duration of a power voltage fluctuation which might damage the traveling wave tube, unless corrected. The wave form of the multiplied frequency is shaped to provide a comparison voltage wave form, which is compared with a reference voltage. The a-c power voltage applied to said traveling wave tube is controlled responsive to the output of the comparison means.

REFERENCES:
patent: 2954522 (1960-09-01), Dickey et al.
patent: 3182247 (1965-05-01), Loucks
patent: 3353080 (1967-11-01), Santelmann, Jr.
patent: 4042871 (1977-08-01), Grubbs et al.
patent: 4142241 (1979-02-01), Freilick et al.
patent: 4176310 (1979-11-01), Elenga et al.
patent: 4225794 (1980-09-01), Buff

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