CT High Voltage GeneratorThis is a featured page

High-frequency generators are currently used in CT. They
are small enough so that they can be located within the
gantry. Highly stable three-phase generators have also been
used, but because these are stand-alone units located near
the gantry and require cables, they have become obsolete.
Generators produce high voltage and transmit it to
the x-ray tube. The power capacity of the generator is
listed in kilowatts (kW). The power capacity of the generator
determines the range of exposure techniques (i.e.,
kV and mA settings) available on a particular system. CT
generators produce high kV (generally 120–140 kV) to
increase the intensity of the beam, which will increase the
penetrating ability of the x-ray beam and thereby reduce
patient dose. In addition, a higher kV setting will help to
reduce the heat load on the x-ray tube by allowing a lower
mA setting. Reducing the heat load on the x-ray tube will
extend the life of the tube.

Latest page update: made by MohammadFathi , Mar 28 2015, 6:33 PM EDT (about this update About This Update MohammadFathi Edited by MohammadFathi

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