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British Journal of Radiology (2008) 81, 693-698
© 2008 British Institute of Radiology
doi: 10.1259/bjr/17979457
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British Journal of Radiology 81 (2008),693-698 ©2008 The British Institute of Radiology

Full paper

Extension of the range of definition of the practical peak voltage up to 300 kV

H-M KRAMER, PhD and H-J SELBACH, PhD

Physikalisch-Technische Bundesanstalt, Braunschweig, Germany

Correspondence: H-M Kramer, Physikalisch-Technische Bundesanstalt, Braunschweig, Germany. E-mail: hans-michael.kramer{at}ptb.de

The practical peak voltage (PPV) was introduced with special emphasis being placed on the X-ray tube voltage range pertinent to diagnostic radiology, i.e. from 20 kV to 150 kV. In this paper, an extension of the range of definition of the PPV up to X-ray tube voltages of 300 kV is presented. This is realized by combining the weighting function derived for the field of diagnostic radiology with a newly derived one that covers the voltage range from 150 kV to 300 kV.






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