Constant potential H-V generator

Details Constant potential H-V generator Constant potential H-V generator

1981-12-30

1984-06-05

Smith, Alfred E.

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

323227, H05G 132

Patent

active

044532636

ABSTRACT:
An x-ray tube voltage generator with automatic stabilization circuitry is disclosed. The generator includes a source of pulsating direct current voltage such as from a rectified 3 phase transformer. This pulsating voltage is supplied to the cathode and anode of an x-ray tube and forms an accelerating potential for electrons within that tube. The accelerating potential is stabilized with a feedback signal which is provided by a feedback network. The network includes an error signal generator which compares an instantaneous accelerating potential with a preferred reference accelerating potential and generates an error function. This error function is transmitted to a control tube grid which in turn causes the voltage difference between x-ray tube cathode and anode to stabilize and thereby reduce the error function. In this way stabilized accelerating potentials are realized and uniform x-ray energy distributions produced.

REFERENCES:
patent: 3325645 (1967-06-01), Splain
patent: 3333104 (1967-07-01), Bougle
patent: 3361954 (1968-01-01), Jorgensen

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