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Figure 1
Detector system schematic. X-ray photons incident on an APD cause a current pulse that is converted by the amplifier into a fast voltage pulse. This is digitized by the ADC and written by the FPGA at 160 MS s−1 onto a time-ordered file on a memory card after a trigger pulse from the synchrotron control system. Datafiles can be exported and accessed on the PC via a network and processed for analysis. The optional low-pass 50 MHz filter can be inserted between the amplifier and the ADC to reduce high-frequency noise.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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