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Ibragimov, Iskander: Development of a readout electronic for a Si-pixeldetector for application in a Compton camera. 2004
Inhalt
Contents
1 Introduction
2 Radiation detectors
2.1 Interaction of radiation with matter
2.1.1 Interaction of charged particles with matter
2.1.2 Interaction of gamma radiation with matter
2.2 Semiconductor detectors
2.2.1 Semiconductors
2.2.2 p-n junction
2.2.3 Reverse biased p+-n junction as a radiation detector
2.2.4 Punch-through bias structure
2.2.5 Multiple guard ring structure
2.2.6 Intrinsic energy resolution of semiconductor detectors
2.3 Scintillation detectors
2.3.1 Scintillators
2.3.2 Detection of scintillation light
3 Compton camera prototype
3.1 Choice of the detectors
3.1.1 Scatter detector
3.1.2 Photoabsorber
3.2 Position uncertainty
3.2.1 Geometry considerations
3.2.2 Energy resolution
3.2.3 Doppler broadening
4 Readout electronics for scatter detector
4.1 Noise considerations
4.2 Design of the CSA
4.2.1 Input noise matching conditions
4.2.2 Large GBW amplifier
4.2.3 Feedback
4.2.4 Inject capacitor
4.2.5 Implementation
4.3 The CRRC shaper
4.4 Peak detector
4.5 Discriminator
4.6 Time measurement
4.7 Readout logic
4.7.1 Pixel control logic
4.7.2 End-of-row and end-of-column logics
4.7.3 Readout control logic
4.8 The Digital-to-Analog Converter
4.8.1 Current reference
4.8.2 IMON structure
5 Measurements
5.1 Setup for data acquisition
5.2 Performance of the CSA
5.3 Performance of the shaper
5.4 Performance of the peak detector
5.5 Performance of the discriminator
5.6 Performance of the Time-to-Voltage Converter
5.7 Performance of the data acquisition circuitry
5.8 Performance of the test detector
5.9 Test of the readout electronic with the detector
6 Cesium Iodide detector
6.1 Performance of the photodiode array
6.2 Performance of the trigger circuitry
6.3 Performance of the cesium iodide detector
6.3.1 Light collection
6.3.2 Energy resolution
7 Summary and Outlook
7.1 Summary
7.2 Outlook
A Noise in electronic devices
A.1 Thermal noise
A.2 Flicker noise
A.3 Shot noise
A.4 MOSFET noise model
B Layout of the RAMSES chip
C Typical settings of the RAMSES chip
D Software for data acquisition and test
Bibliography
List of Figures