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Measurements of Transient Phenomena With Digital Oscilloscopes

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3 Author(s)
Moschitta, A. ; Univ. of Perugia, Perugia ; Stefani, F. ; Petri, D.

In this paper, the effects of sampling upon rise-time measurements with a digital oscilloscope are considered. In particular, the use of linear interpolation for the estimation of signal rise times is discussed, and its effects are analyzed for various step signals. A simple expression is derived, which accurately models the sampling and linear-interpolation contributions to the overall rise-time-measurement error. By using these results, a correction formula is proposed, and its applicability is discussed.

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Instrumentation and Measurement, IEEE Transactions on  (Volume:56 ,  Issue: 6 )