A front-end readout Detector Board for the OpenPET electronics system
Abstract
Here, we present a 16-channel front-end readout board for the OpenPET electronics system. A major task in developing a nuclear medical imaging system, such as a positron emission computed tomograph (PET) or a single-photon emission computed tomograph (SPECT), is the electronics system. While there are a wide variety of detector and camera design concepts, the relatively simple nature of the acquired data allows for a common set of electronics requirements that can be met by a flexible, scalable, and high-performance OpenPET electronics system. The analog signals from the different types of detectors used in medical imaging share similar characteristics, which allows for a common analog signal processing. The OpenPET electronics processes the analog signals with Detector Boards. Here we report on the development of a 16-channel Detector Board. Each signal is digitized by a continuously sampled analog-to-digital converter (ADC), which is processed by a field programmable gate array (FPGA) to extract pulse height information. A leading edge discriminator creates a timing edge that is "time stamped" by a time-to-digital converter (TDC) implemented inside the FPGA. In conclusion, this digital information from each channel is sent to an FPGA that services 16 analog channels, and then information from multiple channels ismore »
- Authors:
-
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Biological and Environmental Research (BER)
- OSTI Identifier:
- 1257640
- Grant/Contract Number:
- AC02-05CH112; R01EB01610
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Instrumentation
- Additional Journal Information:
- Journal Volume: 10; Journal Issue: 08; Journal ID: ISSN 1748-0221
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION; analog-to-digital converter; field programmable gate array; positron emission computed tomography; time-of-flight; time-to-digital converter
Citation Formats
Choong, W. -S., Abu-Nimeh, F., Moses, W. W., Peng, Q., Vu, C. Q., and Wu, J. -Y. A front-end readout Detector Board for the OpenPET electronics system. United States: N. p., 2015.
Web. doi:10.1088/1748-0221/10/08/t08002.
Choong, W. -S., Abu-Nimeh, F., Moses, W. W., Peng, Q., Vu, C. Q., & Wu, J. -Y. A front-end readout Detector Board for the OpenPET electronics system. United States. https://doi.org/10.1088/1748-0221/10/08/t08002
Choong, W. -S., Abu-Nimeh, F., Moses, W. W., Peng, Q., Vu, C. Q., and Wu, J. -Y. Wed .
"A front-end readout Detector Board for the OpenPET electronics system". United States. https://doi.org/10.1088/1748-0221/10/08/t08002. https://www.osti.gov/servlets/purl/1257640.
@article{osti_1257640,
title = {A front-end readout Detector Board for the OpenPET electronics system},
author = {Choong, W. -S. and Abu-Nimeh, F. and Moses, W. W. and Peng, Q. and Vu, C. Q. and Wu, J. -Y.},
abstractNote = {Here, we present a 16-channel front-end readout board for the OpenPET electronics system. A major task in developing a nuclear medical imaging system, such as a positron emission computed tomograph (PET) or a single-photon emission computed tomograph (SPECT), is the electronics system. While there are a wide variety of detector and camera design concepts, the relatively simple nature of the acquired data allows for a common set of electronics requirements that can be met by a flexible, scalable, and high-performance OpenPET electronics system. The analog signals from the different types of detectors used in medical imaging share similar characteristics, which allows for a common analog signal processing. The OpenPET electronics processes the analog signals with Detector Boards. Here we report on the development of a 16-channel Detector Board. Each signal is digitized by a continuously sampled analog-to-digital converter (ADC), which is processed by a field programmable gate array (FPGA) to extract pulse height information. A leading edge discriminator creates a timing edge that is "time stamped" by a time-to-digital converter (TDC) implemented inside the FPGA. In conclusion, this digital information from each channel is sent to an FPGA that services 16 analog channels, and then information from multiple channels is processed by this FPGA to perform logic for crystal lookup, DOI calculation, calibration, etc.},
doi = {10.1088/1748-0221/10/08/t08002},
journal = {Journal of Instrumentation},
number = 08,
volume = 10,
place = {United States},
year = {Wed Aug 12 00:00:00 EDT 2015},
month = {Wed Aug 12 00:00:00 EDT 2015}
}
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