Constant potential high voltage generator

Details Constant potential high voltage generator Constant potential high voltage generator

H - Electricity

05

G

355/34

H05G 1/32 (2006.01) A61B 6/00 (2006.01) G21K 5/10 (2006.01)

Patent

CA 1149076

19 RCA 75,934 CONSTANT POTENTIAL HIGH VOLTAGE GENERATOR Abstract A circuit, which produces voltages suitable, for example, for application to anode and cathode, respectively, of an x-ray tube, includes an alternating voltage source. The source includes: means for producing first and second varying direct voltages, each of which has an average potential which is positive and negative, respectively, relative to ground, means responsive to the first and second voltages for producing a control signal which is proportional to the difference between those voltages; a reference signal generator for producing direct reference signal at a level proportional to a desired voltage difference between the first and second direct voltages; means for comparing the reference signal with the control signal for producing an error signal when they are unequal; and feedback means responsive to the error signal for changing the values of the first and second d.c. voltages in a sense to reduce said error signal to zero with this arrangement, the source maintains the difference between the first and second direct voltages at a substantially constant value.

361235

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