Charge Sensitive Preamplifier and Pulse Shaper using CMOS process for Germanium Spectroscopy

R. A. Kroeger; W. N. Johnson; R. L. Kinzer; J. D. Kurfess; S. Inderhees; M. D. Allen; G. T. Alley; C. L. Britton; L. C. Clonts; M. N. Ericson; M. L. Simpson

doi:10.1109/23.467881

Charge Sensitive Preamplifier and Pulse Shaper using CMOS process for Germanium Spectroscopy

R. A. Kroeger, W. N. Johnson, R. L. Kinzer, J. D. Kurfess, S. Inderhees, M. D. Allen, G. T. Alley, C. L. Britton, L. C. Clonts, M. N. Ericson, M. L. Simpson

Sensors and Electronics

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9 Scopus citations

Abstract

We have developed a low noise, low power charge sensitive amplifier and pulse shaping circuit. Our application is for a double-sided germanium strip detector, nominally providing 50 independent spectroscopy channels. An array of these detectors would provide significant improvements in imaging, spectroscopy and sensitivity for space-based gamma-ray astronomy. The key features of these electronics are low noise, very low power, and a small footprint per channel. Performance of our first circuit is in good agreement with simulations, with ~205e noise rms (0 pF), and 3 mW/channel power consumption. Dynamic range is 0–3.3 MeV (germanium) with a linearity of ±0.6%. Performance of this prototype device will be discussed.

Original language	English
Pages (from-to)	921-924
Number of pages	4
Journal	IEEE Transactions on Nuclear Science
Volume	42
Issue number	4
DOIs	https://doi.org/10.1109/23.467881
State	Published - Aug 1995

Funding

*This work was supported in part by the Office of Naval Research and NASA, under contract No. W-18486.

Funders	Funder number
Office of Naval Research
National Aeronautics and Space Administration	W-18486

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title = "Charge Sensitive Preamplifier and Pulse Shaper using CMOS process for Germanium Spectroscopy",

abstract = "We have developed a low noise, low power charge sensitive amplifier and pulse shaping circuit. Our application is for a double-sided germanium strip detector, nominally providing 50 independent spectroscopy channels. An array of these detectors would provide significant improvements in imaging, spectroscopy and sensitivity for space-based gamma-ray astronomy. The key features of these electronics are low noise, very low power, and a small footprint per channel. Performance of our first circuit is in good agreement with simulations, with ~205e noise rms (0 pF), and 3 mW/channel power consumption. Dynamic range is 0–3.3 MeV (germanium) with a linearity of ±0.6%. Performance of this prototype device will be discussed.",

author = "Kroeger, {R. A.} and Johnson, {W. N.} and Kinzer, {R. L.} and Kurfess, {J. D.} and S. Inderhees and Allen, {M. D.} and Alley, {G. T.} and Britton, {C. L.} and Clonts, {L. C.} and Ericson, {M. N.} and Simpson, {M. L.}",

year = "1995",

month = aug,

doi = "10.1109/23.467881",

language = "English",

volume = "42",

pages = "921--924",

journal = "IEEE Transactions on Nuclear Science",

issn = "0018-9499",

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T1 - Charge Sensitive Preamplifier and Pulse Shaper using CMOS process for Germanium Spectroscopy

AU - Kroeger, R. A.

AU - Johnson, W. N.

AU - Kinzer, R. L.

AU - Kurfess, J. D.

AU - Inderhees, S.

AU - Allen, M. D.

AU - Alley, G. T.

AU - Britton, C. L.

AU - Clonts, L. C.

AU - Ericson, M. N.

AU - Simpson, M. L.

PY - 1995/8

Y1 - 1995/8

N2 - We have developed a low noise, low power charge sensitive amplifier and pulse shaping circuit. Our application is for a double-sided germanium strip detector, nominally providing 50 independent spectroscopy channels. An array of these detectors would provide significant improvements in imaging, spectroscopy and sensitivity for space-based gamma-ray astronomy. The key features of these electronics are low noise, very low power, and a small footprint per channel. Performance of our first circuit is in good agreement with simulations, with ~205e noise rms (0 pF), and 3 mW/channel power consumption. Dynamic range is 0–3.3 MeV (germanium) with a linearity of ±0.6%. Performance of this prototype device will be discussed.

AB - We have developed a low noise, low power charge sensitive amplifier and pulse shaping circuit. Our application is for a double-sided germanium strip detector, nominally providing 50 independent spectroscopy channels. An array of these detectors would provide significant improvements in imaging, spectroscopy and sensitivity for space-based gamma-ray astronomy. The key features of these electronics are low noise, very low power, and a small footprint per channel. Performance of our first circuit is in good agreement with simulations, with ~205e noise rms (0 pF), and 3 mW/channel power consumption. Dynamic range is 0–3.3 MeV (germanium) with a linearity of ±0.6%. Performance of this prototype device will be discussed.

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Charge Sensitive Preamplifier and Pulse Shaper using CMOS process for Germanium Spectroscopy

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