X-ray generator with phase-advance voltage feedback

Details X-ray generator with phase-advance voltage feedback X-ray generator with phase-advance voltage feedback

1983-12-22

1986-06-17

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

378106, 378112, H05G 132

Patent

active

045960291

ABSTRACT:
An X-ray generator system is provided with a high-voltage feedback loop for controlling the output of an inverter to thereby maintain a desired output voltage level. The voltage-feedback loop is provided with a phase-advance network to selectively vary the gain of the system in such a way as to provide for high gain during the initial stage so as to obtain a short rise time, while subsequently reducing the gain so as to clamp the kV overshoot at the end of the rise time. A phase-lag network is also included to effectively eliminate noise that is introduced by the phase-advance network.

REFERENCES:
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patent: 4317039 (1982-02-01), Romandi
patent: 4322625 (1982-03-01), Daniels et al.
patent: 4344122 (1982-08-01), Jones
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patent: 4439868 (1984-03-01), Makino
Walter Weigl, "A New High-Frequency Controlled X-Ray Generator System with Multi-Pulse Wave Shape", Jun. 1983 pp. 7-19 in The Journal for Radiological Engineering, vol. 1, No. 1, Jun. 1983.

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