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In this article, Tyler Huddleston explores causality in relation to signal and power integrity simulations. He reviews how causality affects time-domain simulation fidelity as well as how non-causal s-parameters can result from real measurements and simulations. Learn about how non-causal data can be avoided and the consequences of using a non-causal model in time-domain simulations.
This paper, awarded the Best Paper Award at DesignCon 2024, explores what is meant by bandwidth during the standardization process, the implications of test and verification attached to certain bandwidth requirements, as well as differences between acquisition range, band limited filters, and s-parameters for time domain processing.
Where do those strange frequency domain “Kramers-Kronig” equations come from? They don’t seem to have any obvious intuitive basis. Looking at their time domain equivalents, however, resolves the mystery and gives us an intuitive understanding of their origin.
A VNA equipped with time domain analysis that includes basic and advanced window and gating functionality can help produce more accurate and repeatable impedance measurements. Read on.
Few topics are as fundamental in signal integrity and create as much confusion as signal bandwidth. What exactly does bandwidth refer to and what features in the time domain influence bandwidth: rise time or slew rate?
