Detailed modeling of the video signal and optimal readout of charge-coupled devices
Abstract
This paper provides a practical design methodology to calculate an optimal filter for noise reduction in the readout of charge-coupled devices (CCDs) taking into account the charge transfer and feedthroughs due to capacitive coupling in the CCD. A detailed analysis of the dynamics of the video signal and charge transfer is presented, including the circuital modeling of the output stage of the CCD and the dynamics of the electronics in the video chain before the analog-to-digital (AD) converter. This model is used to compute an optimal filter that minimizes the variance of the pixel noise and uses the samples of the charge transfer, before the charge is fully settled. This is necessary to enhance the performance of previous results that also use optimal filters but do not use the transition samples, while also reducing the pixel readout time, resulting in faster readouts. As a proof of concept for the optimal filter, we present in this paper novel experimental results using a Skipper CCD, which has a floating sense node that allows to measure the charge packet an arbitrary number of times. However, this technique can be applied to any CCD that has a readout system that digitally samples the videomore »
- Authors:
-
[1];
- Univ. Nacional del Sur, Bahía Blanca (Argentina)
- Univ. Nacional del Sur, Bahía Blanca (Argentina); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Univ. Nacional del Sur, Bahía Blanca (Argentina); Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CIC), Buenos Aires (Argentina)
- National Atomic Energy Commission (CNEA), Rio Negro (Argentina); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1674997
- Report Number(s):
- FERMILAB-PUB-20-319-AE-SCD
Journal ID: ISSN 0098-9886; oai:inspirehep.net:1806770; TRN: US2204187
- Grant/Contract Number:
- AC02-07CH11359
- Resource Type:
- Accepted Manuscript
- Journal Name:
- International Journal of Circuit Theory and Applications
- Additional Journal Information:
- Journal Volume: 48; Journal Issue: 7; Journal ID: ISSN 0098-9886
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; CCD; readout; optimal filter; minimum noise variance; charge transfer
Citation Formats
Chierchie, Fernando, Fernandez Moroni, Guillermo, Querejeta Simbeni, Pedro, Stefanazzi, Leandro, Paolini, Eduardo, Sofo Haro, Miguel, Cancelo, Gustavo, and Estrada, Juan. Detailed modeling of the video signal and optimal readout of charge-coupled devices. United States: N. p., 2020.
Web. doi:10.1002/cta.2784.
Chierchie, Fernando, Fernandez Moroni, Guillermo, Querejeta Simbeni, Pedro, Stefanazzi, Leandro, Paolini, Eduardo, Sofo Haro, Miguel, Cancelo, Gustavo, & Estrada, Juan. Detailed modeling of the video signal and optimal readout of charge-coupled devices. United States. https://doi.org/10.1002/cta.2784
Chierchie, Fernando, Fernandez Moroni, Guillermo, Querejeta Simbeni, Pedro, Stefanazzi, Leandro, Paolini, Eduardo, Sofo Haro, Miguel, Cancelo, Gustavo, and Estrada, Juan. Tue .
"Detailed modeling of the video signal and optimal readout of charge-coupled devices". United States. https://doi.org/10.1002/cta.2784. https://www.osti.gov/servlets/purl/1674997.
@article{osti_1674997,
title = {Detailed modeling of the video signal and optimal readout of charge-coupled devices},
author = {Chierchie, Fernando and Fernandez Moroni, Guillermo and Querejeta Simbeni, Pedro and Stefanazzi, Leandro and Paolini, Eduardo and Sofo Haro, Miguel and Cancelo, Gustavo and Estrada, Juan},
abstractNote = {This paper provides a practical design methodology to calculate an optimal filter for noise reduction in the readout of charge-coupled devices (CCDs) taking into account the charge transfer and feedthroughs due to capacitive coupling in the CCD. A detailed analysis of the dynamics of the video signal and charge transfer is presented, including the circuital modeling of the output stage of the CCD and the dynamics of the electronics in the video chain before the analog-to-digital (AD) converter. This model is used to compute an optimal filter that minimizes the variance of the pixel noise and uses the samples of the charge transfer, before the charge is fully settled. This is necessary to enhance the performance of previous results that also use optimal filters but do not use the transition samples, while also reducing the pixel readout time, resulting in faster readouts. As a proof of concept for the optimal filter, we present in this paper novel experimental results using a Skipper CCD, which has a floating sense node that allows to measure the charge packet an arbitrary number of times. However, this technique can be applied to any CCD that has a readout system that digitally samples the video signal.},
doi = {10.1002/cta.2784},
journal = {International Journal of Circuit Theory and Applications},
number = 7,
volume = 48,
place = {United States},
year = {Tue Apr 07 00:00:00 EDT 2020},
month = {Tue Apr 07 00:00:00 EDT 2020}
}
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