Signal Integrity Optimizing of High Speed Communication Lines at the base of S-Parameter Analysis for High Reliability Reconfigurable Systems

Orda-Zhigulina, M. V.

doi:10.1109/rsemw52378.2021.9494135

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Calculation and Comparison Of Characteristic Impedance On Si...1

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2023

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“…Take a 400G high-speed bit error tester as an example. The impedance of single-end signals and differential signals must be controlled at 50Ω and 100Ω, respectively, with the same length and spacing [8].…”

Section: Calculation and Comparison Of Characteristic Impedance On Si...mentioning

confidence: 99%

Coupling capacitor design and optimization for high speed circuits

Zheng

Huang

et al. 2023

2022 Workshop on Electronics Communication Engineering

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This paper discusses how the coupling capacitor of transmission line in high speed circuit is optimized. Take the 400G bit error tester as an example, the characteristic impedance of the transmission line before and after adding the coupling capacitor is simulated. In order to reduce impact on signal integrity caused by impedance mismatch, the treatment method of voiding is obtained through the impedance calculation formula. By comparing several different voiding scheme proposed by predecessors, on the basis of the previous work, the hollowing treatment is further optimized to study the effect of hollowing size on signal integrity. Then HFSS software is used for modeling and simulation, and the insertion loss and return loss under several different schemes are calculated. It is found that the size of the hollowing process will have a certain impact on the integrity of the signal, and to a certain extent, the larger the hollowing size, the smaller the insertion loss and return loss.

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Section: Calculation and Comparison Of Characteristic Impedance On Si...mentioning

confidence: 99%