Development of a low-noise analog front-end ASIC for APD-PET detectors

M. Koizumi, Jun Kataoka, S. Tanaka, H. Ishibashi, N. Kawai, H. Ikeda, Y. Ishikawa, N. Kawabata, Y. Matsunaga, K. Shimizu, H. Kubo

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We report on the development of a front-end ASIC for high spatial resolution PET detectors with time-of-flight capability based on LYSO scintillator arrays coupled with position-sensitive avalanche photodiode (APD) arrays. The ASIC is designed based on the open-IP LSI project led by JAXA and realized in TSMC 0.35 - μ m CMOS technology. It consists of an 8-channel charge-sensitive amplifier, band-pass filters, differentiators, pulse-height and timing discriminators, and two-channel time-to-amplitude converters. As a result, energy resolution of 9.7% (FWHM) is obtained at 511 keV, with a time resolution below 970 ps (σ). We will also report on the current status of developing a second-version ASIC designed to have 32-channel analog circuits with improved time resolution.

Original languageEnglish
Pages (from-to)327-330
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume604
Issue number1-2
DOIs
Publication statusPublished - 2009 Jun 1
Externally publishedYes

Fingerprint

Avalanche photodiodes
application specific integrated circuits
Application specific integrated circuits
avalanches
low noise
photodiodes
analogs
Detectors
detectors
differentiators
analog circuits
discriminators
Discriminators
large scale integration
Analog circuits
pulse amplitude
Bandpass filters
Full width at half maximum
bandpass filters
Phosphors

Keywords

  • γ-Rays
  • ASIC
  • Avalanche photodiode
  • Open-IP
  • Positron emission tomography (PET)

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

Cite this

Development of a low-noise analog front-end ASIC for APD-PET detectors. / Koizumi, M.; Kataoka, Jun; Tanaka, S.; Ishibashi, H.; Kawai, N.; Ikeda, H.; Ishikawa, Y.; Kawabata, N.; Matsunaga, Y.; Shimizu, K.; Kubo, H.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 604, No. 1-2, 01.06.2009, p. 327-330.

Research output: Contribution to journalArticle

Koizumi, M. ; Kataoka, Jun ; Tanaka, S. ; Ishibashi, H. ; Kawai, N. ; Ikeda, H. ; Ishikawa, Y. ; Kawabata, N. ; Matsunaga, Y. ; Shimizu, K. ; Kubo, H. / Development of a low-noise analog front-end ASIC for APD-PET detectors. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2009 ; Vol. 604, No. 1-2. pp. 327-330.
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AU - Kawai, N.

AU - Ikeda, H.

AU - Ishikawa, Y.

AU - Kawabata, N.

AU - Matsunaga, Y.

AU - Shimizu, K.

AU - Kubo, H.

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