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Volume 32 Issue 11
Dec.  2010
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Bai Xue, Xu Lei-Jun. Research on the Effects of Substrates on the Crosstalk in Microstrips[J]. Journal of Electronics & Information Technology, 2010, 32(11): 2768-2771. doi: 10.3724/SP.J.1146.2010.00428
Citation: Bai Xue, Xu Lei-Jun. Research on the Effects of Substrates on the Crosstalk in Microstrips[J]. Journal of Electronics & Information Technology, 2010, 32(11): 2768-2771. doi: 10.3724/SP.J.1146.2010.00428

Research on the Effects of Substrates on the Crosstalk in Microstrips

doi: 10.3724/SP.J.1146.2010.00428
  • Received Date: 2010-04-26
  • Rev Recd Date: 2010-07-16
  • Publish Date: 2010-11-19
  • With the increasing of system frequency, the characteristics of microstrip substrates are non-ignorable factor for affecting the crosstalk between transmission lines. This paper analyzes the crosstalk between two parallel microstrip lines based on the transmission line equations and S parameters, simulates the crosstalk with different permittivity and thickness of the substrate with 3D full-wave electromagnetic tool. The electric field distributions of microstrips with different substrates and the results of near-end and far-end crosstalks with the changing of frequency, substrate permittivity and thickness are obtained. The far-end crosstalk will be greater than the near-end crosstalk with the frequency increasing, and moreover, with the increasing of substrate permittivity and thickness, the crosstalks of microstrips will present a sine upward trend.
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