David is a 30 year veteran of the semiconductor industry, specializing in advanced design techniques for complex custom digital logic, microwave PCB layout, and high-speed serial link design. His public domain, open source serial link design tool: PyBERT, was awarded a spot in EDN's Hot 100 Products of 2017 list.
This article explains how to convert channel insertion loss data in a standard Touchstone file into the channel impulse response for time domain simulations. It also shows how some pre-processing of the Touchstone data can help improve results by eliminating the ringing that results from the use of frequency-limited measurement data. Read on to see how.