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CNGS Radiation Test Campaign 2009 – TE-MPE-CP phase 1

CNGS Radiation Test Campaign 2009 – TE-MPE-CP phase 1. Equipment under test Field-bus coupler type DQAMGS (new QPS layer) Latest MicroFip TM version Field-bus coupler type DQAMS600 (600 A EE systems, QPS remote reset units) Old MicroFip TM version

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CNGS Radiation Test Campaign 2009 – TE-MPE-CP phase 1

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  1. CNGS Radiation Test Campaign 2009 – TE-MPE-CP phase 1 • Equipment under test • Field-bus coupler type DQAMGS (new QPS layer) • Latest MicroFipTM version • Field-bus coupler type DQAMS600 (600 A EE systems, QPS remote reset units) • Old MicroFipTM version • Used as well for test controls and DAQ for TE-MSC-SCD test • Bus-bar protection system type DQQBS (new QPS layer) • High precision systems based on device already tested last year on CGNS • Micro-converters, DC-DC converters, amplifiers etc. • Verification of firmware (error correction code), drifts etc. • Power pack prototype unit • LDO regulators (also tested @ PSI), rectifier bridges

  2. CNGS Radiation Test Campaign 2009 – TE-MPE-CP phase 1 mV ncm-2 • Preliminary results • Irradiation position TSG46 – low flux (~ 7 x 109 ncm-2) • Latest MicroFipTMversion: device got stuck twice • 1st event: 29.04.2009 == no radiation, 2nd event 14.06.2009 • After power cycle the device re-started and worked correctly • Bus-bar protection system • Drift of input stage offset voltage observed (as during last year’s tests with similar devices) • Detailed analysis still to be done • No problem for operation as device will be re-calibrated on a regular basis • All other systems working correctly

  3. CNGS Radiation Test Campaign 2009 – TE-MPE-CP phase 1 • Next steps (changes implemented during yesterday’s access) • Bus-bar protection system type DQQBS added • Firmware update of field-bus coupler type DQAMGS and other DQQBS system • Equipment moved into zone with higher flux • System successfully re-started and working correctly • Further steps planned • Installation of DQQDS type circuit boards (aperture symmetric quench detection) • Further evolution of firmware depending on results

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