MicroTCA platform with embedded subns WR synchronization G Kasprowicz WUT 2 Outline NICA collider amp Cosmic Ray Detector Goals SIPM AFE SIPM readout chain based on Open Source HW ID: 798621
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Slide1
Multichannel SIPM readout system for MPD Cosmic Ray Detector based on MicroTCA platform with embedded sub-ns WR synchronizationG.Kasprowicz (WUT)
Slide22OutlineNICA collider & Cosmic Ray Detector – GoalsSIPM AFESIPM readout chain based on Open Source HWConclusion
Slide3NICA - Nuclotron Ion Collider fAcilityMPD - Multi-Purpose Detector
BM@N
-
B
aryonic
M
atter
at
Nuclotron
MCORD
-
M
PD
C
osmic
R
ay
D
etector
Slide41. NICA complexM.Bielewicz, 29.XI.2018 LHEP Division seminar4Light Ions Ion source and Linac LU-20NuclotronBM@N (Detector)MPD (Detector)Heavy IonsIon sourse (KRION-6T)Heavy Ion Linac (HILac)BoosterNuclotron BM@N (Detector)MPD (Detector)
Slide51. NICA complexM.Bielewicz, 29.XI.2018 LHEP Division seminar5FD Forward detecSuperconductor solenoid (SC Coil)inner detector (IT)straw-tube tracker (ECT)Time-projection
chamber (TPC)
Time-of-flight
system (TOF)
Electromagnetic
calorimeter
(EMC -
ECal
)
Zero degree calorimeter (ZDC).
H /
nica.jinr.ru
/video/general_compressed.mp4
Slide6M.Bielewicz, 29.XI.2018 LHEP Division seminar6Cosmic Ray Detector – GoalsCosmic ray air shower created by a 1TeV proton hitting the atmosphere 20 km above the Earth. The shower was simulated using the AIRES package.PRIMARY PARTICLEGROUND LEVEL
Slide7M.Bielewicz, 29.XI.2018 LHEP Division seminar7 Cosmic Ray Detector – Goals examples from other experimentsALICE Exp. ACORDE55 m underground thr. 16 GeV 2010-2013 yALEPH Exp. DELPHI Exp.140 m under. (thr. 70 GeV) (1997-99y) 100 m under. (thr. 52 GeV) (99-2000y)
Slide8M.Bielewicz, 29.XI.2018 LHEP Division seminar8Trigger (for testing or calibration) - testing before completion of MPD (testing of TOF, ECAL modules and TPC) - calibration before experimental sessionVeto (normal mode - track and time window recognition) Mainly for TPC and eCAL_____________________________________Additionally Astrophysics (muon shower and bundles) - unique for horizontal events Working in cooperation with TPCDECOR exp. 2002-2003y (near horizontal observation (60-90 deg. angular range) - 1-10 PeV
primary particle
)
Cosmic Ray Detector – Goals
Slide9M.Bielewicz, 29.XI.2018 LHEP Division seminar9 Design, modeling variantsOne surface on full circumference + additional surface on the top ver.1MCORD at MPD scheme
Slide10M.Bielewicz, 29.XI.2018 LHEP Division seminar10 ScintillatorsScintilators and modules
Slide11M.Bielewicz, 29.XI.2018 LHEP Division seminar11Scintillators readoutLegend: S (violet) – plastic scintillator, (blue) – SiPM, P (red) – power supply with temperature compensation circuit, T (brown) – temperature sensor, A (green) – amplifier, D (yellow) – MicroTCA system with ADC boards, C (orange) – Analog Front End Module. With or without fiber?
Slide12MTCA based modular muon trigger (signal flow only) systemScintillator + SiPMAFEAFE AMC FPGA FMC carrierFMCFMC
AFE
AFE
AMC FPGA
FMC
carrier
FMC
FMC
12x
Another sub-trigger system (AFE + FMC + AMC +MCH)
MicroTCA
Carrier Hub
(MCH Tongue 3)
Xilinx FPGA
on board
Main MCH
Another sub-trigger system (AFE + FMC + AMC +MCH)
10G Ethernet / Aurora
MTCA crate
10/40G Ethernet
Muon trigger out
Triggers @ SYNC
AFE Assembly (ASSY)
Slide13MicroTCA (MTCA) and OHWRStandard MTCA crate (14U)(cable fi1,5cm 24 channels +8)(additional cable for 5V and 70V power)Crate number depends on channel count and sampling speedAt 250MS/s: 192 channels / crateAt 125MS/s: 384 channels / crate (16 cables)At 80MS/s: 576 channels / crateAt 50MS/s: 768 channels / crateFor several MTCAs one main MCH concentrates data from slave MCHs to generate final muon triggerAnalog Front-End moduleFPGA mezzanine card (FMC)AMC FMC carrier board
MTCA Carrier Hub
13
Slide14SiPD readout chain – Analog Front EndScintillatorSiPMOTA +Shaper + calibratorLDOLinedriver
SiPM
OTA + shaper + calibrator
LDO
Line
driver
uPC
+
CAN
driver
Temp sensor
Temp sensor
uPC
+
CAN
driver
connector
60V DC
5V DC
connector
60V DC
AFE ASSY
5V DC
AFE ASSY
AFE ASSY
PTC fuses
connector
connector
connector
connector
16x
VHDCI connector
MTCA processing system
16x
AFE ASSY
Passive signal hub & power splitter
CAN/ PWR connector
Status LEDs
5V & 60V supply
CAN / Ethernet
Rack
calibration
calibration
Unique ID
Slide15Analog Front End configurationDedicated AFE Assembly per two SiPMEmbedded uPC + temperature sensor + LDO for SiPM set point adjustCAN network connectivity with unique ID chip as CAN addressUnique ID in every hub for VHDCI cabling checking and identificationHardware ID for every AFE ASSYLow cost LDO instead of expensive switching power supply. No inductors required and lowers EMI.SiPM voltage, AFE current monitoring, latchup detection & protection for AFELow cost shielded VHDCI cables – COTS components available as 1-10m length and custom versionsLocal passive hub with PTC fuses for 5V and 60V rails, distribution of power, CAN and signals from 16 AFE ASSY to single VHDCI cableStatus LEDs on AFE ASSY and hub for quick fault identificationCentral power supply – custom built 2U rack box with COTS resonant 5V SMPS, 60V flyback SMPS, IEC outlets and fuses.CAN to Ethernet converter – standard COTS component. 15
Slide16Analog Front End configurationDedicated AFE Assembly per 2 SiPMLow cost HDMI cables between AFE and hubCable length TOF measurement for each channelCalibration pulse injected to the AFE entry.16
Slide17Analog Front End – first results with scintillators and readout chain17Dedicated AFE Assembly per 2 SiPMLow cost HDMI cablesCable length TOF measurement for each channelCalibration pulse injected to the AFE entry.
Slide18Data processingLatency estimation for L1 trigger (event without parameters)AFE cabling 8ns/m, with 10m cabling latency is 80nsADC + SERDES latency: 400nsLatency estimation for L2 trigger (event with parameters)MGT latency: 500nsAlgorithm latency : 2-5usFormatter and transmitter latency: 1usEstimated total latency: 3.5 – 7.5us Latency estimation for L3 trigger (between MTCA systems)MGT latency: 500nsFiber latency: 500ns + 8ns/m Algorithm latency : 2-5usFormatter and transmitter latency: 1usEstimated total latency: 10 – 15us18
Slide19White Rabbit synchronizationWR node timing module resides on top of NAT MCHTwo WR nodes working in parallel Each node connected to different switch In case of link failure other node takes over Trigger inputs (outputs) available on front panelDedicated WR-enabled crates available commercially from N.A.T~400ps crate – crate synch~150ps channel-channel match.~5ps jitter Open source design19
Slide20M.Bielewicz, 29.XI.2018 LHEP Division seminar20Thank You for AttentionPolish consortium NICA-PL