White paper: Signal Integrity for High-Speed Data Transmission, Challenges and Solutions

February 23, 2022 · 2 Lesezeit

Requirements for high-speed data transmission, the need for ever greater bandwidth and drastically increasing design complexity present new challenges to design engineers. Fischer Connectors’ white paper entitled “Signal Integrity for High-Speed Data Transmission, Challenges and Solutions” aims to help engineers optimize their products. It explains high-speed data transmission protocols, where problems may arise, and how to design connectors for high-speed data transmission. It also covers suitable test methods and system-level testing.

White Paper Signal Integrity

The emergence of high-speed data transmission during the past decades and the demand for greater bandwidth during the coming years are driving engineers in each part of the connectivity system, from software developers to cable-connector providers, to optimize their products while ensuring they meet the new requirements.

As technology evolves, high-speed interconnect phenomena that designers have historically ignored have begun to dominate performance, and unforeseen problems have arisen that drastically increase the complexity of design. In the new white paper, author Mohammad Azadifar, IEEE Senior Member and Signal Integrity Engineer at Fischer Connectors’ R&D, describes the various challenges and solutions ensuring signal integrity for high-speed data transmission.

Topics include: Transmission line – wave propagation, high frequencies | Signal degradation – insertion loss, return loss | Impedance matching – mismatch, TDR, optimized connector, solution conformance | Crosstalk – NEXT, FEXT, coupling | Vector Network Analyzer (VNA) – test & measurement, S-parameters | Geometrical optimization – impedance, crosstalk, TEM mode | De-embedding – PCB fixtures, IEEE std 370TM-2020 | SERDES simulation – system-level testing, link optimization | Link optimization – eye improvement, CTLE or DFE equalization techniques.

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