High Frequency Ic Design Of A Command Encoder For Enhanced Particle Detection In Monolithic Active Pixel Sensors At Atlas Cern
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High Frequency Ic Design Of A Command Encoder For Enhanced Particle Detection In Monolithic Active Pixel Sensors At Atlas Cern
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Author : Sebastian Haberl
language : en
Publisher:
Release Date : 2023
High Frequency Ic Design Of A Command Encoder For Enhanced Particle Detection In Monolithic Active Pixel Sensors At Atlas Cern written by Sebastian Haberl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Das ATLAS Experiment ist eines von vier großen Experimenten am LHC. Der LHC ist der größte Teilchenbeschleuniger am CERN, dem europäischen Kernforschungszentrum. Bei den Experimenten im LHC kollidieren zwei Teilchen-Strahlen mit Geschwindigkeiten nahe der Lichtgeschwindigkeit. Eine Kollision wird dabei als Event bezeichnet. Um ein möglichst umfassendes Bild von diesen Events zu bekommen und von den Teilchen, die dabei entstehen, ist der ATLAS Detektor in mehreren Schichten aufgebaut. Die innersten Schichten sind mit Pixel Sensoren ausgekleidet. Da diese am nächsten zum Kollisionspunkt sind, ist der Schaden durch radioaktive Strahlung bei diesen Modulen am höchsten. Da die Strahlung mit dem kommenden Upgrade des LHC, dem HL-LHC, zunimmt, müssen auch die verwendeten Module widerstandsfähiger gegenüber Strahlung werden. Neben der höheren Strahlung wird auch die Eventrate steigen, was ein schnelleres Auslesen der Pixel-Module erfordert. Zusätzlich steigt auch die geforderte Auflösung für die einzelnen Experimente. Zu diesem Zweck wird eine neue Schicht der Pixel Detektoren eingebaut. Da mit größerem Radius auch die auszukleidende Fläche steigt, werden sehr viele Module benötigt. Um die Kosten gering zu halten wird ein Standard-CMOS-Prozess bevorzugt. Diese Prozesse sind weit verbreitet, können in großer Stückzahl und relativ kostengünstig gefertigt werden. Das jüngste Projekt um einen Pixel Detektor in einem dieser Prozesse umzusetzen, ist der MiniMALTA3 Chip. Diese Arbeit präsentiert ein digitales Modul, welches in diesem Chip verwendet wird. Dieses Modul heißt Fast Command Encoder und wird verwendet um andere Module in deren Ausgangszustand zurückzusetzen. Neben dem Zurücksetzen wird dieser Block auch verwendet um den Threshold der aktiven Pixel über TS-Scans einzustellen. Da dieser Thresehold von vielen Parametern abhängt, welche alle individuell untersucht werden müssen, sind viele TS-Scans notwendig. Um die Gesamtdauer der Adjustierung gering zu halten, muss die Zeit eines einzelnen TS-Scans reduziert werden. Der Fast Command Encoder wird durch ein 320 MHz Signal getaktet, was bedeutet, dass TS-Scans mehr als 32 schneller ausgeführt werden können als in den vorherigen Generationen. Das digitale Design für dieses Modul wird zusammen mit den Parametern für die Synthese vorgestellt. Die einzelnen Schritte werden durch Simulation verifiziert und die gewünschte Funktionsweise sichergestellt.
New Generation Of Monolithic Active Pixel Sensors For Charged Particle Detection
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Author : Grzegorz Deptuch
language : en
Publisher:
Release Date : 2005
New Generation Of Monolithic Active Pixel Sensors For Charged Particle Detection written by Grzegorz Deptuch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with categories.
Depleted Cmos Sensor Development For Pixel Particle Detectors Under High Intensity And High Radiative Dose
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Author : Zongde Chen
language : en
Publisher:
Release Date : 2019
Depleted Cmos Sensor Development For Pixel Particle Detectors Under High Intensity And High Radiative Dose written by Zongde Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
The Inner Tracker (ITk) system of the ATLAS experiment will be upgraded for the 2026 High Luminosity Large Hadron Collider (HL-LHC) run. The HL-LHC will operate with a center of mass energy of 14 TeV and a peak instantaneous luminosity five times higher than at present. The increased luminosity will result in roughly ten times higher radiation levels and data rates. To cope with the ATLAS requirements in terms of radiation hardness, readout speed and granularity at the HL-LHC, the replacement of the present ATLAS Inner Tracker (ITk) is needed. Two large-scale depleted CMOS sensors in the 150 nm LF-technology called LF-CPIX and LF-MONOPIX, developed in the framework of the ATLAS Inner Tracker (ITK) upgrade for High Luminosity LHC. The work presented here shows the characterization for these three prototypes, with contributions concerning the setup development, 55Fe and 90Sr source calibration, modifications of the FPGA firmware and development of test programs. A main concern was the investigation on the radiation hardness for both the electronics and the sensor parts. We will show results concerning characterizations for these prototypes in the laboratory performance at CPPM, as well as results in multiple radiation campaigns performed at the 24 GeV IRRAD proton facility at CERN, to study the effects of Non-Ionizing Energy Loss (NIEL) and Total Ionizing Dose (TID) on the prototypes.
Development Of A Cmos Pixel Sensor For The Outer Layers Of The Ilc Vertex Detector
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Author : Liang Zhang
language : en
Publisher:
Release Date : 2013
Development Of A Cmos Pixel Sensor For The Outer Layers Of The Ilc Vertex Detector written by Liang Zhang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
This work deals with the design of a CMOS pixel sensor prototype (called MIMOSA 31) for the outer layers of the International Linear Collider (ILC) vertex detector. CMOS pixel sensors (CPS) also called monolithic active pixel sensors (MAPS) have demonstrated attractive performance towards the requirements of the vertex detector of the future linear collider. MIMOSA 31developed at IPHC-Strasbourg is the first pixel sensor integrated with 4-bit column-level ADC for the outer layers. It is composed of a matrix of 64 rows and 48 columns. The pixel concept combines in-pixel amplification with a correlated double sampling (CDS) operation in order to reduce the temporal and fixed pattern noise (FPN). At the bottom of the pixel array, each column is terminated with an analog to digital converter (ADC). The self-triggered ADC accommodating the pixel readout in a rolling shutter mode completes the conversion by performing a multi-bit/step approximation. The ADC design was optimized for power saving at sampling frequency. Accounting the fact that in the outer layers of the ILC vertex detector, the hit density is inthe order of a few per thousand, this ADC works in two modes: active mode and inactive mode. This thesis presents the details of the prototype chip and its laboratory test results.
Design And Characterisation Of Monolithic Cmos Detectors For High Energy Particle Physics And Seu Radiation Tests For Atlas Inner Tracker Upgrade Readout Chip
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Author : Leyre Flores Sanz de Acedo
language : en
Publisher:
Release Date : 2023
Design And Characterisation Of Monolithic Cmos Detectors For High Energy Particle Physics And Seu Radiation Tests For Atlas Inner Tracker Upgrade Readout Chip written by Leyre Flores Sanz de Acedo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Atlas Pixel Detector High Density Interconnect Design And Testing Of Asic Analog Multiplexer
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Author : Kishore Neriyanuri
language : en
Publisher:
Release Date : 1997
Atlas Pixel Detector High Density Interconnect Design And Testing Of Asic Analog Multiplexer written by Kishore Neriyanuri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Application-specific integrated circuits categories.
Results Of The 2015 Testbeam Of A 180 Nm Ams High Voltage Cmos Sensor Prototype
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Author :
language : en
Publisher:
Release Date : 2016
Results Of The 2015 Testbeam Of A 180 Nm Ams High Voltage Cmos Sensor Prototype written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.
We investigated the active pixel sensors based on the High-Voltage CMOS technology as a viable option for the future pixel tracker of the ATLAS experiment at the High-Luminosity LHC. Our paper reports on the testbeam measurements performed at the H8 beamline of the CERN Super Proton Synchrotron on a High-Voltage CMOS sensor prototype produced in 180 nm AMS technology. These results in terms of tracking efficiency and timing performance, for different threshold and bias conditions, are shown.