Fermilab Computing Division

CS Document 1997-v3

IPM Buffer Hardware Manual

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Rick Kwarciany
Updated by:
Rick Kwarciany
Document Created:
25 Jan 2007, 17:08
Contents Revised:
11 Oct 2010, 10:57
Metadata Revised:
11 Oct 2010, 10:57
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16 Feb 2010, 16:45
25 Jan 2007, 17:08
The IPM Buffer module receives data from eight IPM QIE front end modules over fast serial optical links. The data is buffered and then read out through a standard 3.3 Volt PCI interface by a commercial PC. The difference in maximum input and output rates is approximately 10:1, so at least 10 seconds of data readout time are required for each second of data acquisition. The IPM Buffer is capable of sparsifying based on beam crossing and also incorporates diagnostics.
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Notes and Changes:
Enhanced descriptions of header bit fields in data buffer.
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