A new time calibration method for switched-capacitor-array-based waveform samplers

Kim, H.; Chen, C. -T.; Eclov, N.; Ronzhin, A.; Murat, P.; Ramberg, E.; Los, S.; Moses, W.; Choong, W. -S.; Kao, C. -M.

doi:10.1016/j.nima.2014.08.025

Title: A new time calibration method for switched-capacitor-array-based waveform samplers

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Abstract

Here we have developed a new time calibration method for the DRS4 waveform sampler that enables us to precisely measure the non-uniform sampling interval inherent in the switched-capacitor cells of the DRS4. The method uses the proportionality between the differential amplitude and sampling interval of adjacent switched-capacitor cells responding to a sawtooth-shape pulse. In the experiment, a sawtooth-shape pulse with a 40 ns period generated by a Tektronix AWG7102 is fed to a DRS4 evaluation board for calibrating the sampling intervals of all 1024 cells individually. The electronic time resolution of the DRS4 evaluation board with the new time calibration is measured to be ~2.4 ps RMS by using two simultaneous Gaussian pulses with 2.35 ns full-width at half-maximum and applying a Gaussian fit. The time resolution dependencies on the time difference with the new time calibration are measured and compared to results obtained by another method. Ultimately, the new method could be applicable for other switched-capacitor-array technology-based waveform samplers for precise time calibration.

Authors:

Kim, H. ^[1]; Chen, C. -T. ^[1]; Eclov, N. ^[1]; Ronzhin, A. ^[2]; Murat, P. ^[2]; Ramberg, E. ^[2]; Los, S. ^[2]; Moses, W. ^[3]; Choong, W. -S. ^[3]; Kao, C. -M. ^[1]

Univ. of Chicago, Chicago, IL (United States)
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Publication Date:: Sun Aug 24 00:00:00 EDT 2014

Research Org.:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP); National Institutes of Health (NIH)

OSTI Identifier:: 1413094

Alternate Identifier(s):: OSTI ID: 1282050

Report Number(s):: FERMILAB-PUB-14-616-E
Journal ID: ISSN 0168-9002; 1624633; TRN: US1800413

Grant/Contract Number:: AC02-07CH11359; R01EB016104; T32EB002103

Resource Type:: Accepted Manuscript

Journal Name:: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

Additional Journal Information:: Journal Volume: 767; Journal Issue: C; Journal ID: ISSN 0168-9002

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Waveform sampling; Time calibration; Switched-capacitors; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Waveform Sampling; Time Calibration; Switched-Capacitors

Citation Formats


                    Kim, H., Chen, C. -T., Eclov, N., Ronzhin, A., Murat, P., Ramberg, E., Los, S., Moses, W., Choong, W. -S., and Kao, C. -M. A new time calibration method for switched-capacitor-array-based waveform samplers.  United States: N. p., 2014. 
Web.  doi:10.1016/j.nima.2014.08.025.

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                    Kim, H., Chen, C. -T., Eclov, N., Ronzhin, A., Murat, P., Ramberg, E., Los, S., Moses, W., Choong, W. -S., & Kao, C. -M. A new time calibration method for switched-capacitor-array-based waveform samplers.  United States.  https://doi.org/10.1016/j.nima.2014.08.025

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                    Kim, H., Chen, C. -T., Eclov, N., Ronzhin, A., Murat, P., Ramberg, E., Los, S., Moses, W., Choong, W. -S., and Kao, C. -M. Sun .  
"A new time calibration method for switched-capacitor-array-based waveform samplers".  United States.  https://doi.org/10.1016/j.nima.2014.08.025.  https://www.osti.gov/servlets/purl/1413094.

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@article{osti_1413094,

  title        = {A new time calibration method for switched-capacitor-array-based waveform samplers},

  author       = {Kim, H. and Chen, C. -T. and Eclov, N. and Ronzhin, A. and Murat, P. and Ramberg, E. and Los, S. and Moses, W. and Choong, W. -S. and Kao, C. -M.},

  abstractNote = {Here we have developed a new time calibration method for the DRS4 waveform sampler that enables us to precisely measure the non-uniform sampling interval inherent in the switched-capacitor cells of the DRS4. The method uses the proportionality between the differential amplitude and sampling interval of adjacent switched-capacitor cells responding to a sawtooth-shape pulse. In the experiment, a sawtooth-shape pulse with a 40 ns period generated by a Tektronix AWG7102 is fed to a DRS4 evaluation board for calibrating the sampling intervals of all 1024 cells individually. The electronic time resolution of the DRS4 evaluation board with the new time calibration is measured to be ~2.4 ps RMS by using two simultaneous Gaussian pulses with 2.35 ns full-width at half-maximum and applying a Gaussian fit. The time resolution dependencies on the time difference with the new time calibration are measured and compared to results obtained by another method. Ultimately, the new method could be applicable for other switched-capacitor-array technology-based waveform samplers for precise time calibration.},

  doi          = {10.1016/j.nima.2014.08.025},

  journal      = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},

  number       = C,

  volume       = 767,

  place        = {United States},

  year         = {Sun Aug 24 00:00:00 EDT 2014},

  month        = {Sun Aug 24 00:00:00 EDT 2014}

}

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