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112 lines
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HTML
112 lines
4.2 KiB
HTML
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<H1><A NAME="SECTION00320000000000000000">
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What limits the maximum frame rate?</A>
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<P>
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In order to acquired the data, they should be:
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<UL>
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<LI>Transferred from readout electronics to readout board memory. This readou time is very dependent on the detector and on the dynamic range chose (for single photon counting detectors if configurable) and can range from hundreds or tens to few us.
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<BR>
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In case the board has some memory that can be accessed by the hardware, this is the only limitation on the maximum frame rate as long as the memory is not filled (burst mode). Frame rates as high as a few tens of kHz can be achieved for photon countign detectors (EIGER) or up to 1 MHz for charge integrating (GOTTHARD).
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<P>
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<LI>Transferred from readout board to client PC or file server. In this case the main bottleneck is normally given by the data transfer rate on the network and on the performances of the receiver PC. This limits the frame rate in continous mode. However also the data writing capabilities and amount of data which are being acquired should be taken into consideration when setting up very fast acquisitions.
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<ADDRESS>
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Thattil Dhanya
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2017-09-27
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