High DC voltage generator

Details High DC voltage generator High DC voltage generator

1984-03-21

1986-09-09

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Power supply from deflection circuit source

363 61, 358190, H01J 2970, H04N 563

Patent

active

046111522

ABSTRACT:
The primary winding of a stepup transformer is energized by a time-varying current for inducing a high voltage pulse in the secondary winding of the transformer in response to a rapid change in the time-varying current. A plurality of first diodes and a plurality of capacitors are arranged to form a voltage multiplier for multiplying the amplitude of the high voltage pulse and storing the multiplied pulse on the capacitors to develop a high DC voltage. A second diode is connected in a circuit between one end of the secondary winding and ground so that a current may flow in a loop through the first and second diodes in response to the high voltage pulse and potentials of opposite polarities may develop across the secondary winding. The second diode provides a capacitance in series with the distributed capacitance of the secondary winding, thus reducing the total capacitance to permit ringing to occur at a desired harmonic frequency of the high voltage pulse.

REFERENCES:
patent: 3828239 (1974-08-01), Nagai et al.
patent: 3846666 (1974-11-01), Suzuki et al.
patent: 4051514 (1977-09-01), Suzuki et al.
patent: 4109306 (1978-08-01), Mason
patent: 4437147 (1984-03-01), Takamura et al.

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