The MGPA electromagnetic calorimeter readout chip for CMS

被引：7
|
作者：
Raymond, M [1 ]
Crooks, J
French, M
Hall, G
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, High Energy Phys Grp, London SW7 2BW, England
[2] Rutherford Appleton Lab, Microelect Grp, Didcot OX11 0QX, Oxon, England
来源：
IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2005年 / 52卷 / 03期
关键词：
calorimetry; CMOS analog integrated circuits; radiation detectors;
D O I：
10.1109/TNS.2005.850979
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The multiple-gain preamplifier (MGPA) is a three-gain channel 0.25 mu m CMOS chip matched to the noise and linearity requirements of the electromagnetic calorimeter for the Compact Muon Solenoid (CMS) experiment. A choice of external feedback components to the first-stage amplifier allows the chip to match the different full-scale signal and noise requirements for both barrel and end-cap regions of the detector. For the barrel (end-cap) application the noise is less than 10 000 (3,500) electrons at a peaking time of 40 ns and an integral nonlinearity of approximately +/- 0.1% full-scale is achieved for all three gain ranges. Details of the design and performance are presented, including measurements of nonlinearity, pulse-shape matching, noise, and radiation tolerance.
引用
收藏
页码：756 / 763
页数：8
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