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Proceedings Paper

Design and preliminary results of APVD: a fast low-noise low-power rad-hard CMOS mixed circuit for the CMS silicon tracker at LHC
Author(s): S. Gardien; P. Pangaud; J.-P. Walder; U. Goerlach; C. Hoffmann; C. Hu; A. Lounis; C. Maazouzi; P. Schmitt; G. Hall; M. Raymond; Freddy Anstotz; J.-D. Berst; G. Deptuch; Y. Hu; J.-L. Sohler; Renato A. D. Turchetta; Pierre Borgeaud; D. Lachartre; Marcus J. French; R. Robert
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Paper Abstract

The silicon microstrips tracker for CMS at LHC demands fast, radiation-hard electronics. An original solution was proposed for the processing of signals from silicon detectors. This technique allows precise reconstruction of the arrival time of the particles, even with a 'slow' shaping time and a limited power budget. This idea was already implemented in the APV6 circuit, designed in a bulk CMOS technology from Harris.In this paper, we present the version (APVD) designed in the CMOS SOI radiation hard technology DMILL by a French-British collaboration. The APVD is a 128-channel mixed analogue-digital: each channel includes a low-noise charge preamplifier, a CR-RC shaper with a peaking time of 50 ns, an analogue pipeline where the signal is sampled at 40 MHz, an analogue pulse shape processor and a current output multiplexer. The circuit integrates an 12C interface for easy control of the operating parameters. All the control current and voltages as well as a calibration pulse are generated internally by dedicated blocks. The design and first experimental results from the first version of the 128-channel APVD, will be presented in this paper. They show the circuit is fully functional and can be used for the CMS experiment.

Paper Details

Date Published: 10 November 1998
PDF: 10 pages
Proc. SPIE 3445, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy IX, (10 November 1998); doi: 10.1117/12.330291
Show Author Affiliations
S. Gardien, Institut de Physique Nucleaire de Lyon (France)
P. Pangaud, Institut de Physique Nucleaire de Lyon (France)
J.-P. Walder, Institut de Physique Nucleaire de Lyon (United States)
U. Goerlach, Institut de Recherches Subatomiques (France)
C. Hoffmann, Institut de Recherches Subatomiques (France)
C. Hu, Institut de Recherches Subatomiques (France)
A. Lounis, Institut de Recherches Subatomiques (France)
C. Maazouzi, Institut de Recherches Subatomiques (France)
P. Schmitt, Institut de Recherches Subatomiques (France)
G. Hall, Imperial College of Science, Technology and Medicine (United Kingdom)
M. Raymond, Imperial College of Science, Technology and Medicine (United Kingdom)
Freddy Anstotz, Lab. d'Electronique et de Physique des Systemes Instrumentaux (France)
J.-D. Berst, Lab. d'Electronique et de Physique des Systemes Instrumentaux (France)
G. Deptuch, Lab. d'Electronique et de Physique des Systemes Instrumentaux (France)
Y. Hu, Lab. d'Electronique et de Physique des Systemes Instrumentaux (France)
J.-L. Sohler, Lab. d'Electronique et de Physique des Systemes Instrumentaux (France)
Renato A. D. Turchetta, Lab. d'Electronique et de Physique des Systemes Instrumentaux (United Kingdom)
Pierre Borgeaud, Commissariat a l'Energie Atomique DSM/DAPNIA (France)
D. Lachartre, Commissariat a l'Energie Atomique DSM/DAPNIA (France)
Marcus J. French, Rutherford Appleton Lab. (United Kingdom)
R. Robert, Rutherford Appleton Lab. (United Kingdom)


Published in SPIE Proceedings Vol. 3445:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy IX
Oswald H. W. Siegmund; Mark A. Gummin, Editor(s)

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