FADC250 Firmware Versions

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Firmware Run Ranges

Disclaimer: The run numbers are obtained from the time of the log entry. It is not known if the log entry was made concurrently with the changes and the log entry does not include run number.

Min Run Max Run Description Log entries
70000 70994 v12C on FCAL and BCAL (any others?)
70995 71194 v12C on FCAL, BCAL, ST https://logbooks.jlab.org/entry/3752596
71195 71252 v13C on FCAL1-FCAL9, TPOL; v12C on BCAL, ST https://logbooks.jlab.org/entry/3756036
71253 v13C on all FCAL, TPOL; v12C on BCAL, ST https://logbooks.jlab.org/entry/3756565

Raw Mode Runs

Min Run Max Run Description Log entries - 70995 71000 v12C on BCAL, FCAL, ST https://logbooks.jlab.org/entry/3752596

Version C11 and Earlier

These versions had random channel timing offsets of 4 ns which changed from run to run.

Version C12


Shows evidence of corruption in a single events in a single channel at low probability very early (within the first few events) in the beginning of a run. Following this all data seems okay.


Version C13


Does not appear to show any issues.