Enhanced TDR Measurements with the SNA5000A Vector Network Analyzer from Siglent
●Introduction
■Time Domain Reflectometry (TDR) is an important method for measuring cable and connection quality for high-speed transmissions. Some measurements that broadly fall into this category include characteristics like distance to fault as TDR makes it easy to visualize impedance changes over distance. Some of the basic analysis modes can be implemented on cable analyzers and basic spectrum analyzers, but advanced TDR measurements make it possible to evaluate much more subtle and elusive transmission quality issues. When TDR capabilities are built into a powerful multiport, multipath Vector Network Analyzer advanced visualization and analysis becomes possible. One important methodology is the use of simulated eye diagrams on high-speed communication channels. These eye diagram can be implemented on a number of device topologies with de-embedding using a 4-port network analyzer while providing important data visualizations including mask testing and injected jitter. This application note discusses the advanced TDR implementation and capabilities of the Siglent SNA5000A vector network analyzers while comparing the quality of 2 standard USB cables.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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10 May 2023 |
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2.9 MB |
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