A waveform sampling front-end ASIC for readout of GSO/APD with DOI information

Jungyeol Yeom, K. Shimazoe, H. Takahashi, H. Murayama

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A new 9-channel Waveform Sampling Front-End (WSFE) Application Specific Integrated Circuit (ASIC) for readout of avalanche photodiodes (APD) has been developed based on two prototypes. Each channel of the chip consists of a preamplifier, a variable gain amplifier (VGA) and a fast analog to digital converter (ADC) to digitize signals from the APD. Such a scheme allows individual readouts of small pixellated APD for better spatial resolution and counting rate over conventional light sharing or charge division types while enabling depth-of-interaction (DOI) decoding. Each component has shown satisfactory performance and this chip has been used to readout GSO-APD detector to study its DOI capabilities.

Original languageEnglish
Pages (from-to)381-384
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume571
Issue number1-2 SPEC. ISS.
DOIs
Publication statusPublished - 2007 Feb 1
Externally publishedYes

Fingerprint

Avalanche photodiodes
application specific integrated circuits
Application specific integrated circuits
avalanches
photodiodes
readout
waveforms
sampling
Sampling
chips
interactions
preamplifiers
analog to digital converters
decoding
Digital to analog conversion
division
Decoding
counting
amplifiers
spatial resolution

Keywords

  • ASIC
  • Avalanche Photodiode (APD)
  • Depth-of-interaction (DOI)
  • Positron Emission Tomography (PET)

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

A waveform sampling front-end ASIC for readout of GSO/APD with DOI information. / Yeom, Jungyeol; Shimazoe, K.; Takahashi, H.; Murayama, H.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 571, No. 1-2 SPEC. ISS., 01.02.2007, p. 381-384.

Research output: Contribution to journalArticle

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