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Estimating the Precision of a Leading-Edge Discriminator with Amplitude Correction

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Abstract—The formation of time stamps that are independent of the sensor output pulse amplitude in the domain of event timing is well-known problem. It is shown that the time-stamp accuracy (time walk) can be estimated using high-speed arbitrary-signal generators and general-purpose time meters with an uncertainty of the estimate of no worse than 0.2 ps. The efficiency of the technique is demonstrated for a leading-edge discriminator (LED). The proposed LED version combined with an amplitude meter and amplitude correction has a 17-ps time walk.

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Funding

This study was supported by the Foundation of Latvian University and the MikroTik Company.

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Correspondence to V. Bespal’ko or K. Salmins.

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Translated by A. Seferov

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Bespal’ko, V., Burak, I. & Salmins, K. Estimating the Precision of a Leading-Edge Discriminator with Amplitude Correction. Instrum Exp Tech 62, 788–793 (2019). https://doi.org/10.1134/S0020441219060022

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  • DOI: https://doi.org/10.1134/S0020441219060022

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