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TGV32: A 32-channel preamplifier chip for the Multiplicity Vertex Detector at PHENIX

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Abstract

The TGV32, a 32-channel preamplifier-multiplicity discriminator chip for the Multiplicity Vertex Detector (MVD) at PHENIX, is a unique silicon preamplifier in that it provides both an analog output for storage in an analog memory and a weighted summed-current output for conversion to a channel multiplicity count. The architecture and test results of the chip are presented. Details about the design of the preamplifier, discriminator, and programmable digital-analog converters (DACs) performance as well as the process variations are presented. The chip is fabricated in a 1.2-μm, n-well, CMOS process.

Original languageEnglish
Pages231-235
Number of pages5
StatePublished - 1997
EventProceedings of the 1997 IEEE Nuclear Science Symposium - Albuquerque, NM, USA
Duration: Nov 9 1997Nov 15 1997

Conference

ConferenceProceedings of the 1997 IEEE Nuclear Science Symposium
CityAlbuquerque, NM, USA
Period11/9/9711/15/97

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