A CMOS ASIC design for SiPM arrays

Dey, Sudip; Banks, Lushon; Chen, Shaw-Pin; Xu, Wenbin; Lewellen, T.K.; Miyaoka, Robert S.; Rudell, Jacques C.

doi:10.1109/nssmic.2011.6154092

Cited by 11 publications

(8 citation statements)

References 10 publications

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“…So, for a SPAD imager, a multiplexing technique must be considered. Analog multiplexing technique could be considered [6]. However the linear circuits used for analog multiplexing are power consuming and thus not compatible for space applications.…”

Section: The Imagermentioning

confidence: 99%

The Gamma Cube: a new way to explore the gamma-ray sky

Lebrun¹,

Terrier²,

Prêle³

et al. 2015

Proceedings of 10th INTEGRAL Workshop: A Synergistic View of the High-Energy Sky — PoS(Integral2014)

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We propose a new concept to allow the tracking of electrons in a gamma-ray telescope operating in the 5-100 MeV band. The idea of this experiment is to image the ionizing tracks that charged particles produce in a scintillator. It is a pair creation telescope at high energy and a Compton telescope with electron tracking at low energy. The telescope features a large scintillator transparent to the scintillation light, an ad-hoc optical system and a high resolution and highly sensitive imager. The performance perspectives and the advantages of such a system are outstanding but the technical difficulties are serious. A few years of research and development within the scientific community are required to reach the TRL level appropriate to propose the Gamma Cube in response to a flight opportunity.

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Section: The Imagermentioning

confidence: 99%

The Gamma Cube: a new way to explore the gamma-ray sky

Lebrun¹,

Terrier²,

Prêle³

et al. 2015

Proceedings of 10th INTEGRAL Workshop: A Synergistic View of the High-Energy Sky — PoS(Integral2014)

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“…So, for a large array of SPAD, a multiplexing technique must be considered. Analog multiplexing technique could be considered [1]. However, the linear circuits used for analog multiplexing are power consuming.…”

Section: The Imagermentioning

confidence: 99%

The Gamma Cube: a novel concept of gamma-ray telescope

et al. 2014

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There is a large gap in between the Integral and Fermi spectral domains that is unobserved since the end of the CGRO mission and its Comptel experiment. There were many attempts to fill this gap but no proposal succeeded yet to convince a space agency to plan a mission. There are many reasons contributing to this situation but the most important one is that neither mirrors nor present particle tracking devices are effective at these energies. We propose here a novel design allowing particle tracking for a gamma-ray telescope in the 5-100 MeV band. The idea of this experiment is to image the ionizing tracks of charged particles using the light produced in a scintillator. The experiment operates as a pair creation telescope at high energy and as a Compton telescope with electron tracking at low energy. The telescope features a large scintillator transparent to the produced scintillation light, an ad-hoc optical system and a high resolution and highly sensitive imager. We review the requirements for each of these sub-systems and propose an experiment design taking into account the space constraints. We emphasize the numerous conceptual advantages of such a system as well as the identified difficulties

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“…This ASIC is being designed with the intent of reducing the number of channels between the SiPM array and the backend digital signal processing. A row/column/diagonal summation architecture [8], shown in Fig. 1, helps to reduce the number of channels between the front and backend while producing pulse timing information.…”

Section: Asic Architecturementioning

confidence: 99%

“…The closed loop gain is determined by the ratio of resistors values, thus facilitating the realization of variable gain by modulating the value of R L which is easily done by realizing a switched-resistor array network. Amplifier noise, linearity and bandwidth were optimized to meet the desired performance given in [8]. A simulated input impedance of 70 Ω with a bandwidth of 500 MHz was obtained by doing a tradeoff between the open-loop gain and the dc power consumption.…”

Section: Current Amplifiermentioning

confidence: 99%

“…Our lab has previously reported on novel board-level readout electronics for an 8×8 (SiPM) array featuring row/column summation technique to reduce the hardware requirements for signal processing [7]. The goal now is to implement a monolithic chip for readout ASIC replacing the discrete board [8]. This work describes the design of a high speed current amplifier with a quadruple output stage, core to our CMOS implementation of the frontend readout electronics.…”

Section: Introductionmentioning

confidence: 99%

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Highly-integrated CMOS interface circuits for SiPM-based PET imaging systems

Dey

Lewellen

Miyaoka

et al. 2012

2012 IEEE Nuclear Science Symposium and Medical Imaging Conference Record (NSS/MIC)

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Highly Integrated CMOS Interface Electronics For SiPM based PET Imaging Systems Samrat DeyChair of the Supervisory Committee Professor Jacques C. Rudell Department of Electrical EngineeringRecent developments in the area of Positron Emission Tomography (PET) detectors using Silicon Photomultipliers (SiPMs) have demonstrated the feasibility of higher resolution PET scanners due to a significant reduction in the detector form factor. However, reduced size implies a corresponding increase in the detector density, resulting in a proportional rise in the number of channels interfacing a SiPM array with the digital backend. This thesis explores a row-columndiagonal decoding architecture to simplify and reduce the required channels between the individual elements in the SiPM array, and the backend digital electronics. The front-end interface is designed using a current amplifier with a very low input impedance. Accumulation of noise presents itself as a challenge to the row-column summation architecture. This may lead to an increased chance of false triggering as compared to a more traditional approach using dedicated single-channel readout for each individual SiPM device. This work uses a current comparator topology to act as a thresholding circuit to minimize the accumulation of 'dark noise' and reduce the possibility of a 4 false triggering event. A separate high-speed timing channel is designed to acquire the timing information across all the channels. Line drivers are used to interface this chip to a wide variety of impedances, allowing a general purpose interface to the digital backend. The proposed readout electronics has been realized in STMicroelectronics 130 nm CMOS process.5

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A CMOS ASIC design for SiPM arrays

Cited by 11 publications

References 10 publications

The Gamma Cube: a new way to explore the gamma-ray sky

The Gamma Cube: a new way to explore the gamma-ray sky

The Gamma Cube: a novel concept of gamma-ray telescope

Highly-integrated CMOS interface circuits for SiPM-based PET imaging systems

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