Algorithm for frequency dependent properties of dielectric materials in high speed interconnections

Diana Brinaru

doi:10.1117/12.2571241

31 December 2020 Algorithm for frequency dependent properties of dielectric materials in high speed interconnections

Diana Brinaru

Proceedings Volume 11718, Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies X; 117181X (2020) https://doi.org/10.1117/12.2571241
Event: Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies 2020, 2020, Online Only

Abstract

For high data-rates specific rules must be applied to properly model interconnects and their behavior in both time and frequency domains. Each domain allows different types of analysis that can easily highlight different aspects that appears when multilayer printed circuit boards (PCB) traces are represented through transmission lines in microstrip or stripline technologies. An implementation of wideband Debye model is proposed as a solution to rigorously design high-speed interconnections. The paper presents the model and, for easily understanding of the algorithm, the steps to be implemented in any electromagnetic simulation software that has default invariant electrical parameters as dielectric constant or loss tangent. This has a great impact on the overall signal integrity analyses and results are presented for various traces lengths through the insertion and return loss or associated group delay. Although roughness models should be considered at high data rates in this paper only the dielectric loss will be implemented, as influence of the dielectric loss is greater comparing to the conductive loss.

Citation Download Citation

Diana Brinaru "Algorithm for frequency dependent properties of dielectric materials in high speed interconnections", Proc. SPIE 11718, Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies X, 117181X (31 December 2020); https://doi.org/10.1117/12.2571241

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