electronics for gas detectors - in2p3 events directory ... · srs hybrids . power ldos hdmi...
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![Page 1: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/1.jpg)
26/04/2012 Electronics for Gas Detectors,
Electronics for Gas Detectors
Sorin Martoiu, CERN
![Page 2: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/2.jpg)
26/04/2012 2
IONIZATION
DRIFT
MULTIPLICATION
READOUT
AMPLIFICATION
PROCESSING
FEATURE EXTRACTION
EVENT CORRELATION
26/04/2012 Electronics for Gas Detectors,
Electronics for Gas Detectors
![Page 3: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/3.jpg)
Electronics for Gas Detectors
signal range = 10 .. 1000 ke- signal width = 5 .. 200ns negative or positive polarity …
Low noise (0.1 ~ 1 ke) High channel count
(up to millions of ch) Discharge protection Radiation hardness
Rate capability Efficiency Data Bandwidth
Spatial resolution Temporal resolution Energy resolution
26/04/2012 Electronics for Gas Detectors,
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Front-End Architecture
Waveform sampling
Self-triggered channel
Preamp Shaper Signal processing + ADC
Pipeline
other channels
other channels
ADC
Preamp Hit
detection
Feature extraction
Shaper 2
Shaper 1 Timestamp Feature 1 Feature 2
Memory RAM/
Analog
other channels
23/11/2009 5 26/04/2012 Electronics for Gas Detectors,
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26/04/2012 Electronics for Gas Detectors,
APV25
Waveform sampling
preamp shaperAPSP S/H
inverterpipeline
MUX gain
128:1MUX Differential
currentoutput amp
192 time-samples
50ns – 160ns*
analog serializer
Preamp Shaper (Analog) Signal
Processing + ADC
Pipeline
other channels
other channels
![Page 7: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/7.jpg)
26/04/2012 Electronics for Gas Detectors,
APV25
preamp shaperAPSP S/H
inverterpipeline
MUX gain
128:1MUX Differential
currentoutput amp
192 time-samples/max 30 readout
50ns – 160ns*
analog serializer 25ns x 128ch
3.5us Max rate(th) = 280kHz / nr_samples
![Page 8: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/8.jpg)
26/04/2012 Electronics for Gas Detectors,
What front-end do I choose?
What if I need a little more bandwidth or trigger capability?
![Page 9: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/9.jpg)
26/04/2012 Electronics for Gas Detectors,
BEETLE
4x outputs (A/D) (more bandwidth)
Fast-OR output for triggering
160 time-samples max 16 samples readout
![Page 10: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/10.jpg)
26/04/2012 Electronics for Gas Detectors,
What front-end do I choose?
What if I need even faster readout with trigger capability?
![Page 11: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/11.jpg)
26/04/2012 Electronics for Gas Detectors,
VFAT – Binary readout
256 samples 128 events
• No more analog information • Faster readout • More bandwidth
![Page 12: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/12.jpg)
26/04/2012 Electronics for Gas Detectors,
What front-end do I choose?
What do I do if I have very high events rates?
![Page 13: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/13.jpg)
26/04/2012 Electronics for Gas Detectors,
MAMMA BNL Chip (VMM1)
ADC
Preamp Hit
detection
Feature extraction
Shaper 2
Shaper 1 Timestamp Feature 1 Feature 2
Memory RAM/
Analog
other channels
?
• Data driven system • No sampling clock • Self triggered • Natural zero-suppression • Feature extraction
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SRS Hybrids HDMI connector Power LDOs
Discharge protection
Front-End Chip
Standard RD51 sensor connector
standard RD51 connector discharge protection micro-HDMI
clk & trg data links dcs (I2C)
industry-ready design purchase through CERN store
26/04/2012 Electronics for Gas Detectors,
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SRS Hybrids – Discharge Protection
Samtec MMCX coax connector
GND connection (< 2mohm) middle pin can be used for power mechanical connection
26/04/2012 Electronics for Gas Detectors,
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New Hybrids BEETLE Hybrid VFAT2 Hybrid
Optional stacking conn. for cable-less connection
Power option via MMCX connectors First prototypes foreseen for Aug-Sep
2012
Rad-tol CPLD Comparator OR/MUX Clk & Trg decode
Work in progress
26/04/2012 Electronics for Gas Detectors,
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Other
TIMEPIX (CERN/Bonn) VMM1 (BNL/Arizona)
26/04/2012 Electronics for Gas Detectors,
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SRS – Digital Processing
Ethe
rnet
Cor
eDT
CLi
nk
Clock UnitTest & Init
SC C
ore
Data
pat
h
SC BUS
Monitoring System SC
App Slow Control
Readout Control
FE CardInterface
DataProcessor
PacketBuilder
Application Layer (Reconfigurable partition*)
System Layer (Fixed partition)
Ethe
rnet
Cor
eDT
CLi
nk
Clock UnitTest & Init
SC C
ore
Data
pat
h
SC BUS
Monitoring System SC
App Slow Control
Readout Control
FE CardInterface
DataProcessor
PacketBuilder Et
hern
et C
ore
DTC
Link
Clock UnitTest & Init
SC C
ore
Data
pat
h
SC BUS
Monitoring System SC
App Slow Control
Readout Control
FE CardInterface
DataProcessor
PacketBuilder
Application Layer (Reconfigurable partition*)
System Layer (Fixed partition)
• Signal processing • Zero-suppression • Feature extraction • Packet/Event builder
26/04/2012 Electronics for Gas Detectors,
![Page 22: Electronics for Gas Detectors - IN2P3 Events Directory ... · SRS Hybrids . Power LDOs HDMI connector . Discharge protection. Front-End Chip . Standard RD51 sensor connector standard](https://reader030.vdocument.in/reader030/viewer/2022040922/5e9b254a78b96b38fd140bdc/html5/thumbnails/22.jpg)
Discharge Protection
OnSemiconductor NUP4114 datasheet: transient voltage suppressor designed to protect high speed data lines from ESD. Ultra-Low capacitance and high level of ESD protection makes this device well suited for use in USB 2.0 applications. Features: Low Capacitance (0.7 pF Typical Between I/O Lines) • ESD Rating of Class 3B (exceeding 8kV) per Human Body Model, and Class C (exceeding 400V) per Machine Model • Stand Off Voltage: 5 V 24/02/2010 22 Frontend Hybrid with APV25 chip, S. Martoiu,
CERN 26/04/2012 Electronics for Gas Detectors,
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SRS Overview
Chip Carriers
Sing
le
Mas
ter
Slav
e On-detector front-end hybrids • APV25 • VFAT • BEETLE • …
Front-end adapter (FE-specific) • ADC card • digital FE card (VFAT) • GBT receiver • …
Front-end FPGA card (SRS standard) modular firmware: •SRS control •application specific
DTC
GbE to DAQ (small/ medium size system)
to SRU (large-size system)
Chip-links • HDMI - analog (APV/Beetle) - digital (VFAT/Beetle) • optical (GBT. …) •…
26/04/2012 Electronics for Gas Detectors,
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26/04/2012 Electronics for Gas Detectors,
I need a bigger system
Network switch Medium-size system Synchronization
SRU Medium and large
systems Builtin synchronization Firmware under
development