The Medipix3RX: a high resolution, zero dead-time pixel detector readout chip allowing spectroscopic imaging

被引：238

作者：

Ballabriga, R. ^{[1
]}

Alozy, J. ^{[1
]}

Blaj, G. ^{[1
]}

Campbell, M. ^{[1
]}

Fiederle, M. ^{[4
]}

Frojdh, E. ^{[1
]}

Heijne, E. H. M. ^{[1
,2
,3
]}

Llopart, X. ^{[1
]}

Pichotka, M. ^{[4
]}

Procz, S. ^{[4
]}

Tlustos, L. ^{[4
]}

Wong, W. ^{[1
]}

机构：

[1] CERN, CH-1211 Geneva 23, Switzerland

[2] IEAP CTU, Prague 12800 2, Czech Republic

[3] NIKHEF H, NL-1098 XG Amsterdam, Netherlands

[4] Univ Freiburg, Freiburger Mat Forschungszentrum FMF, D-79104 Freiburg, Germany

来源：

JOURNAL OF INSTRUMENTATION | 2013年 / 8卷

关键词：

Analogue electronic circuits; Electronic detector readout concepts (solid-state); Digital electronic circuits; NEUTRON;

D O I：

10.1088/1748-0221/8/02/C02016

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The Medipix3 chips have been designed to permit spectroscopic imaging in highly segmented hybrid pixel detectors. Spectral degradation due to charge sharing in the sensor has been addressed by means of an architecture in which adjacent pixels communicate in the analog and digital domains on an event-by-event basis to reconstruct the deposited charge in a neighbourhood prior to the assignation of the hit to a single pixel. The Medipix3RX chip architecture is presented. The first results for the characterization of the chip with 300 m m thick Si sensors are given. similar to 72e(-) r.m.s. noise and similar to 40e(-) r.m.s. of threshold dispersion after chip equalization have been measured in Single Pixel Mode of operation. The homogeneity of the image in Charge Summing mode is comparable to the Single Pixel Mode image. This demonstrates both modes are suitable for X-ray imaging applications.

引用

页数：16

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