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

J. Y. Yeom; K. Shimazoe; H. Takahashi; H. Murayama

doi:10.1016/j.nima.2006.10.114

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

J. Y. Yeom, K. Shimazoe, H. Takahashi, H. Murayama

Research output: Contribution to journal › Article › peer-review

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 language	English
Pages (from-to)	381-384
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	571
Issue number	1-2 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.nima.2006.10.114
Publication status	Published - 2007 Feb 1
Externally published	Yes

Keywords

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

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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A waveform sampling front-end ASIC for readout of GSO/APD with DOI information. / Yeom, J. Y.; 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 journal › Article › peer-review

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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.",

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KW - Depth-of-interaction (DOI)

KW - Positron Emission Tomography (PET)

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

Abstract

Keywords

ASJC Scopus subject areas

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