Low-power, CMOS peak detect and hold circuit for nuclear pulse spectroscopy

M. N. Ericson, M. L. Simpson, C. L. Britton, M. D. Allen, R. A. Kroeger, S. E. Inderhees

Research output: Contribution to conferencePaperpeer-review

1 Scopus citations

Abstract

A low-power CMOS peak detecting track and hold circuit optimized for nuclear pulse spectroscopy is presented. The circuit topology eliminates the need for a rectifying diode, reducing the effect of charge injection into the hold capacitor, incorporates a linear gate at the input to prevent pulse pileup, and uses dynamic bias control that minimizes both pedestal and droop. Both positive-going and negative-going pulses are accommodated using a complementary set of track and hold circuits. Full characterization of the design fabricated in 1.2μm CMOS including dynamic range, integral nonlinearity, droop rate, pedestal, and power measurements is presented. Analysis and design approaches for optimization of operational characteristics are also discussed.

Original languageEnglish
Pages44-48
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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