Voltage-resonance type power supply circuit for X-ray tube

Details Voltage-resonance type power supply circuit for X-ray tube Voltage-resonance type power supply circuit for X-ray tube

1985-09-06

1989-01-10

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

363028, 378112, 378114, H02M 3315, H05G 112, H05G 120, H05G 132

Patent

active

047979089

ABSTRACT:
A power supply circuit of voltage resonance type for supplying a high DC voltage to an X-ray tube includes a transformer, a capacitor for forming a resonance circuit in cooperation with a primary winding of the transformer, and a rectifier circuit coupled with a secondary winding of the transformer for supplying a high DC voltage to the x-ray tube. At the beginning of the operation of the power supply circuit, a great change of resonance conditions is offset to quicken the rise of the X-ray tube voltage. To this end, a power supply drive circuit to enable (turn on) the switches is arranged to prevent the switches from being enabled before one cycle of the resonance current in the resonance circuit is completed.

REFERENCES:
patent: 4295049 (1981-10-01), Ebersberger et al.
patent: 4573184 (1986-02-01), Tanaka et al.
patent: 4614999 (1986-09-01), Onodera et al.
Tietze, V. et al., Halbleiter-Schaltungstechnik, Springer-Verlag, p. 576.

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