TDR-oriented behavioral modeling of reflected pulse in DSL line

Katarzyna Opalska

doi:10.1117/12.905010

6 October 2011 TDR-oriented behavioral modeling of reflected pulse in DSL line

Katarzyna Opalska

Proceedings Volume 8008, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2011; 80080A (2011) https://doi.org/10.1117/12.905010
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2011, 2011, Wilga, Poland

Abstract

The paper presents black-box type, behavioral model of pulse reflection from the open end of a transmission line. Model allows for setting measurements limits of TDR-based systems dedicated for DSL line diagnosis. Two main factors responsible for shape deterioration of the signal propagating through the line are ohmic conductor losses and frequency-dependent parasitic resistance induced mostly by a skin effect. Formal analysis of a problem is complicated, as it requires solving a set of differential equations. Behavioral model presented in this paper allows for easy estimation of amplitude and rise time of a reflected pulse using compact, analytical function of line length and testing pulse width.

Citation Download Citation

Katarzyna Opalska "TDR-oriented behavioral modeling of reflected pulse in DSL line", Proc. SPIE 8008, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2011, 80080A (6 October 2011); https://doi.org/10.1117/12.905010

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