SnpExpert is a specialized tool for analyzing S-parameters in high-speed and RF circuits, crucial for addressing issues such as reflections and crosstalk. Supporting a range of COM protocols, SnpExpert offers advanced analysis features like parameter extraction and margin calculations. It also facilitates the creation of broadband models using rational fitting, ensuring users can design optimized signal paths. Whether handling NRZ or PAM-4 modulations, SnpExpert provides engineers with the detailed insights needed for precise signal integrity analysis and system compliance.