Power supply offers RS232 control
13 May 2008
A 72W X-ray generator power supply module for grounded-cathode tubes has been launched by HiTek Power.
Measuring 204mm x 73mm x 127mm, the XRG70 incorporates high voltage and filament power supply stages and all necessary beam control circuitry, and claims to be the smallest in the market for its power capabilities.
Supplied from a 24V DC rail and providing up to 60kV for the X-ray tube anode with a maximum current of 1.2mA, the new model provides a low voltage output for the X-ray tube filament, with a current of up to 3.5A and a maximum voltage of 5.5V.
The unit has been designed to meet high stability and low ripple demands. Ripple on the high voltage output is less than 0.05 per cent +10V peak-to-peak. Load regulation for voltage is less than 0.01 per cent ± 1V from no load to full load, while for beam current it is less than ±2µA. Stability is ±0.1 per cent over an eight hour period after 30 minutes warm-up.
Control and monitoring is via a 15-way D-type connector, front panel potentiometers, and an optional RS232C interface. It includes control of high voltage output, maximum and standby filament currents, and beam and filament currents.
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