Monolithic circuits for the WA98 lead glass calorimeter

A. L. Wintenberg, T. C. Awes, C. L. Britton, M. S. Emery, M. N. Ericson, F. Plasil, M. L. Simpson, J. W. Walker, G. R. Young

Research output: Contribution to conferencePaperpeer-review

11 Scopus citations

Abstract

Two monolithic circuits developed for readout of a 10000 element lead glass calorimeter are described. The first contains 8 channels with each channel comprising a charge integrating amplifier, two output amplifiers with gains of one and eight, a timing filter amplifier and a constant fraction discriminator. This IC also contains a maskable, triggerable calibration pulser and circuits needed to form 2 by 2 and 4 by 4 energy sums used to provide trigger signals. The second IC is a companion to the first and contains 16 analog memory channels with 16 cells each, eight time-to-amplitude converters and a 24-channel analog-to-digital converter. The use of the analog memories following the integration function eliminates the need for delay cables preceding it. Characterizations of prototypes are reported, and features included to ease integration of the ICs into a readout system are described.

Original languageEnglish
Pages493-497
Number of pages5
StatePublished - 1995
EventProceedings of the 1994 Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 4) - Norfolk, VA, USA
Duration: Oct 30 1994Nov 5 1994

Conference

ConferenceProceedings of the 1994 Nuclear Science Symposium and Medical Imaging Conference. Part 1 (of 4)
CityNorfolk, VA, USA
Period10/30/9411/5/94

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