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The SAMPIC Waveform and Time to Digital Converter

Abstract : SAMPIC is a Waveform and Time to Digital Converter (WTDC) multichannel chip. Each of its 16 channels associates a DLL-based TDC providing a raw time with an ultrafast analog memory allowing fine timing extraction as well as other parameters of the pulse. Each channel also integrates a discriminator that can trigger itself independently or participate to a more complex trigger. After triggering, analog data is digitized by an on-chip ADC and only that corresponding to a region of interest is sent serially to the DAQ. The association of the raw and fine timings permits achieving timing resolutions of a few ps rms. The paper describes the detailed SAMPIC0 architecture and reports its main measured performances.
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Submitted on : Tuesday, January 13, 2015 - 3:34:05 PM
Last modification on : Wednesday, September 16, 2020 - 4:28:07 PM
Long-term archiving on: : Friday, September 11, 2015 - 6:39:46 AM


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  • HAL Id : in2p3-01082061, version 1



E. Delagnes, D. Breton, H. Grabas, J. Maalmi, P. Rusquart, et al.. The SAMPIC Waveform and Time to Digital Converter . 2014 IEEE Nuclear Science Symposium and Medical Imaging Conference (2014 NSS/MIC), and 21st Symposium on Room-Temperature Semiconductor X-Ray and Gamma-Ray Detectors, Nov 2014, Seattle, United States. ⟨in2p3-01082061⟩



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