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


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Abstract

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.

About the authors

V. Bespal’ko

Institute of Electronics and Computer Science

Author for correspondence.
Email: bezpalko@edi.lv
Latvia, 14 Dzerbenes St., Riga, LV-1006

I. Burak

Institute of Electronics and Computer Science

Email: kalvis.salmins@lu.lv
Latvia, 14 Dzerbenes St., Riga, LV-1006

K. Salmins

Institute of Astronomy, University of Latvia

Author for correspondence.
Email: kalvis.salmins@lu.lv
Latvia, Raina boulevard, Riga, LV-1586

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