Chapter 17

Transmission Lines

Abstract

The signal integrity of high-speed signals via transmission lines is dependent on the frequency-related signal and dispersion losses of the transmission lines. Signal power loss is attributed to the increase in conductor resistance (skin effect) and the increase in dielectric conductance (dielectric loss) with an increase in frequency. Dispersion is the distortion of the signal wave shape resulting from delays introduced by the distributed frequency-dependent inductance and capacitance of the transmission line. Ideal and lossy transmission lines are modeled in PSpice using Tline distributed models and TLUMP lumped line segment models. The parameters required for an ideal transmission line are the characteristic ...

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