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Electronics, trigger and data acquisition systems for the INO ICAL detector

Electronics, trigger and data acquisition systems for the INO ICAL detector. B.Satyanarayana Tata Institute of Fundamental Research For INO collaboration. ICAL detector concept. 50 Kton magnetised ICAL. We are here ….

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Electronics, trigger and data acquisition systems for the INO ICAL detector

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  1. Electronics, trigger and data acquisition systems for the INO ICAL detector B.Satyanarayana Tata Institute of Fundamental Research For INO collaboration

  2. ICAL detector concept 50 Kton magnetised ICAL B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  3. We are here … • RPC’s pulse characteristics and ICAL’s requirements understood to a large extent; more will be known from the prototype detector • Time to formulate competitive schemes for electronics, data acquisition, trigger, control, monitor, on-line software, databases and other systems • Feasibility R&D studies on front-ends, timing elements, trigger architectures, on-line data handling schemes should be concurrently taken up • Segmentation, power budgets, integration issues etc. must be addressed • Trade-offs between using available solutions and customised design and developments for ICAL to be debated • Design tools, infrastructure, fab facilities • Needs national and international collaboration and team work B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  4. Sub-systems • Front-ends • Latch and timing • Pipelines and Fiber • DAQ system, backend • Trigger system • Central clock • Slow control and monitoring • Computer, networking data storage • Voice, video communications B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  5. Fast preamp ASIC • Rise Time: ~1ns • Power consumption: ~100mW • Power supply: 3.3V • Technology: 0.35 • Dynamic range: 50-350fF B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  6. Comparator ASIC B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  7. Example for front-ends: NINO Francis Anghinolfi et al B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  8. Other examples for front-ends Front-end for ATLAS Muon RPC system Front-end for CMS Muon Barrel RPC system B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  9. Placement of front-end electronics RPC signal pickup panel Front-end for X-plane RPC Gas volume Front-end for Y-plane B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  10. HPTDC architecture J. Christiansen, CERN B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  11. HPTDC specifications B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  12. AMT chip for ATLAS Muon RPC Yasuo Arai (KEK) B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  13. AMT chip performance B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  14. ALICE TOF timing system • Good example of a large scale integration of timing system using industrial support (CAEN) • VME64X backplane • 2400 high resolution (25pS) channels per crate • Crate equipped with other control, trigger, communication and LV supply modules B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  15. Cables & services routing RPC Iron absorber Gas, LV & HV cables from RPCs RPC Signal cables from RPCs B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  16. DAQ & services’ sub-stations Iron absorber RPC Iron spacer DAQ HV Gas LV Iron absorber Gas B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  17. A scheme • Keep latching strip patterns on central clock • Relative timing between previous central clock and trigger digitised • Latch data ignored if the no trigger is received • Strip logic signals sent out to the trigger system in parallel • Programmable trigger system • Data pipelines to accommodate trigger latency • VME backends work as data collectors B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  18. Low and high voltage systems • Proven commercial systems with standard interfaces, control and monitoring do exist • Motivation for building customised solutions is the availability of excellent building blocks • For example DC-DC chips for HV systems • Good expertise in this area exists in the collaboration B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  19. A promising DC-HVDC chip Can this be good cheaper alternative to commercial solution? B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  20. Other considerations • UPS and captive power backup • Thermal management, especially the on detector electronics • Communication medium between ICAL and Masinagudi, and to the rest of the world, constraints B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  21. Experts committee • Formed after the national level INO Electronics meeting held in TIFR in September 2007 • Current members • B.P.Ajith Kumar, IUAC • V.B.Chandratre, BARC (Co-convener) • B.Satyanarayana, TIFR (Co-convener) • Swapan Sen, SIN • Member from KEK, Electronics group (TBA) Charge of the committee To suggest us the best possible data acquisition system for the INO-ICAL detector using Resistive plate chambers (RPCs) and magnetised iron. B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  22. Design team members • INO collaborating institutes must pledge design team members on full or serious basis • Need to train some of the younger members with expert institutions/members • Distributed tools and software so that engineers can work on defined segments of jobs at their home institutions • Particularly useful to begin with, when new engineers will be working on well defined primitives B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  23. Industries’ role • What should be INO’s modus operandi for involving industries? • Jobs like chip fabrication of course will be handled by industries (govt. or pvt.) • Can we out source some design jobs as well? • Industries are very eager and quite willing to! • Interacted with CAEN, NI, Datapatterns … B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

  24. Presentations to follow • V.B.Chandratre • ASIC/VLSI development capabilities, tools, infrastructure, fab facilities • P.Nagaraj • VME based data acquisition B.Satyanarayana, TIFR, Mumbai INO collaboration meeting, BARC, April 13-14, 2008

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