ASIC for small angle neutron scattering experiments at the SNS

Gianluigi De Geronimo; Jack Fried; Graham C. Smith; Bo Yu; Emerson Vernon; Charles L. Britton; William L. Bryan; Lloyd G. Clonts; Shane S. Frank

doi:10.1109/TNS.2007.893718

ASIC for small angle neutron scattering experiments at the SNS

Gianluigi De Geronimo, Jack Fried, Graham C. Smith, Bo Yu, Emerson Vernon, Charles L. Britton, William L. Bryan, Lloyd G. Clonts, Shane S. Frank

Sensors and Electronics

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

17 Scopus citations

Abstract

We present an ASIC for a ³He gas detector to be used in small angle neutron scattering experiments at the Spallation Neutron Source in Oak Ridge. The ASIC is composed of 64 channels with low noise charge amplification, filtering, timing and amplitude measurement circuits, where an innovative current-mode peak-detector and digitizer (PDAD) is adopted. The proposed PDAD provides at the same time peak detection and A/D conversion in real time, at low power, and without requiring a clock signal. The channels share an efficient data sparsification and derandomization scheme, a 30-bit 256 deep FIFO, and low voltage differential signaling.

Original language	English
Pages (from-to)	541-548
Number of pages	8
Journal	IEEE Transactions on Nuclear Science
Volume	54
Issue number	3
DOIs	https://doi.org/10.1109/TNS.2007.893718
State	Published - Jun 2007

Keywords

ADC
ASIC
Gas detector
Peak detector

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10.1109/TNS.2007.893718

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title = "ASIC for small angle neutron scattering experiments at the SNS",

abstract = "We present an ASIC for a 3He gas detector to be used in small angle neutron scattering experiments at the Spallation Neutron Source in Oak Ridge. The ASIC is composed of 64 channels with low noise charge amplification, filtering, timing and amplitude measurement circuits, where an innovative current-mode peak-detector and digitizer (PDAD) is adopted. The proposed PDAD provides at the same time peak detection and A/D conversion in real time, at low power, and without requiring a clock signal. The channels share an efficient data sparsification and derandomization scheme, a 30-bit 256 deep FIFO, and low voltage differential signaling.",

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AU - De Geronimo, Gianluigi

AU - Fried, Jack

AU - Smith, Graham C.

AU - Yu, Bo

AU - Vernon, Emerson

AU - Britton, Charles L.

AU - Bryan, William L.

AU - Clonts, Lloyd G.

AU - Frank, Shane S.

PY - 2007/6

Y1 - 2007/6

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AB - We present an ASIC for a 3He gas detector to be used in small angle neutron scattering experiments at the Spallation Neutron Source in Oak Ridge. The ASIC is composed of 64 channels with low noise charge amplification, filtering, timing and amplitude measurement circuits, where an innovative current-mode peak-detector and digitizer (PDAD) is adopted. The proposed PDAD provides at the same time peak detection and A/D conversion in real time, at low power, and without requiring a clock signal. The channels share an efficient data sparsification and derandomization scheme, a 30-bit 256 deep FIFO, and low voltage differential signaling.

KW - ADC

KW - ASIC

KW - Gas detector

KW - Peak detector

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JO - IEEE Transactions on Nuclear Science

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ASIC for small angle neutron scattering experiments at the SNS

Abstract

Keywords

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