A study of crosstalk applied to ultra-high-speed parallel lossy microstrip and strip lines with shielding effectiveness

Several researchers have reported that in some cases the crosstalk in the lossless ultra-high-speed parallel microstrip transmission lines does not necessarily reduce by increasing the spacing in between the two lines. In this study, the substrate loss parameters which are dielectric and conductor a...

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Bibliographic Details
Main Authors: Malisuwan, S., Ungvichian, V.
Format: Conference Proceeding
Language:English
Subjects:
Conductors
Crosstalk
Dielectric losses
Dielectric substrates
Frequency
Linear systems
Microstrip
Propagation losses
Space vector pulse width modulation
Transmission line theory
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Summary:Several researchers have reported that in some cases the crosstalk in the lossless ultra-high-speed parallel microstrip transmission lines does not necessarily reduce by increasing the spacing in between the two lines. In this study, the substrate loss parameters which are dielectric and conductor are included in the calculation. Furthermore, the influence of a near-by cover plate which provides shielding is also considered. The technique used to calculate the crosstalk is based upon accurate wide-range closed form expressions for the frequency-dependent parameters in conjunction with a linear system theory and Fourier theory. The simulations using Gaussian pulses with different widths as input source have indicated that the crosstalk decreases nonmonotonically for certain s/h and pulse-width of less than 20 picoseconds. Also the crosstalk can be reduced further by using a cover plate mounted sufficiently close to the transmission lines.
DOI:10.1109/ELMAGC.1999.801435