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The most common form of read-out electronics for radiation detection at the pixel basis can be described as a signal processing channel consisting off: detector pixel, preamplifier, pulse shaper and A/D converter. The signal generation starts when a photon interacts with a detector, resulting in a charge which amount is proportional to the photon energy. The charge is further processed by either a...
The distinctive challenges for design of read-out ASICs for radiation detectors in biomedical applications originate from the need to be interfaced to detectors with high density of pixels and process photons with high rates. Those two dominant factors impose a range of conflicting restrictions and demands on the design of the readout integrated circuits (ROIC). Some of the key challenges are: limited...
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