SNLA428 june   2023 DP83826E

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1Time Domain Reflectometry
    1. 1.1 Example Connections
      1. 1.1.1 Open Circuit Cable
      2. 1.1.2 Short Circuit Cable
  5. 2TDR Implementation
    1. 2.1 DP83826 TDR Configuration
    2. 2.2 TDR Algorithm
      1. 2.2.1 TDR Algorithm Example Flow
      2. 2.2.2 TDR Algorithm Matlab Example Code
  6. 3Summary
  7. 4References

Abstract

This application note outlines how Time Domain Reflectometry helps solve various kinds of cable fault challenges of Ethernet-based communication systems. The application note describes how to use the TDR feature of the DP83826 to implement the cable diagnostics feature in the system.