The performance of a high speed pipelined photomultiplier readout system in the Fermilab KTeV experiment

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The KTeV fixed target experiment at Fermilab is using an innovative scheme for reading out its 3100 channel CsI electromagnetic calorimeter. This pipelined readout system digitizes photomultiplier tube (PMT) signals over a 16-bit dynamic range with 8-bits of resolution at 53 MHz. The crucial element of the system is a custom Bi-CMOS integrated circuit which, in conjunction with an 8-bit Flash ADC, integrates and digitizes the PMT signal charge over each 18.9 nsec clock cycle (53 MHz) in a deadtimeless fashion.The digitizer circuit is local to the PMT base, and has an in-situ charge integration noise figure of 3 fC/sample. ... continued below

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6 p.

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Whitmore, J. August 1, 1997.

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The KTeV fixed target experiment at Fermilab is using an innovative scheme for reading out its 3100 channel CsI electromagnetic calorimeter. This pipelined readout system digitizes photomultiplier tube (PMT) signals over a 16-bit dynamic range with 8-bits of resolution at 53 MHz. The crucial element of the system is a custom Bi-CMOS integrated circuit which, in conjunction with an 8-bit Flash ADC, integrates and digitizes the PMT signal charge over each 18.9 nsec clock cycle (53 MHz) in a deadtimeless fashion.The digitizer circuit is local to the PMT base, and has an in-situ charge integration noise figure of 3 fC/sample. In this article, the readout system will be described and its performance including noise, cross-talk, linearity, stability, and reliability will be discussed.

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6 p.

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INIS; OSTI as DE97054153

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  • 7. Pisa meeting on advanced detectors, Elba (Italy), 25-31 May 1997

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  • Other: DE97054153
  • Report No.: FNAL/C--97/272
  • Report No.: CONF-9705158--
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 563326
  • Archival Resource Key: ark:/67531/metadc689970

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • August 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • April 1, 2016, 4:27 p.m.

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Whitmore, J. The performance of a high speed pipelined photomultiplier readout system in the Fermilab KTeV experiment, article, August 1, 1997; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc689970/: accessed October 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.