Model of the Month
Modeling a digital low-dropout (LDO) regulator
This application note explains how to model a basic digital LDO and simulate its line, load, reference transient and DC/AC regulation characteristics.
November 2024
Tip of the Month
A common mistake when modeling a high-pass filter with the 'filter' primitive
For high-pass filters, the 'gain' parameter of the 'filter' primitive does not directly define the passband gain. This Q&A post explains how to set its parameters correctly.
Primitive of the Month
filter
This core primitive of XMODEL can model a linear filter with arbitrary numbers of poles and zeros.
Latest Issues
November 2025
Checking the Settling of an Analog Signal, Handling Inherited Nets with Legacy SPICE Netlisters, and More
October 2025
A UVM Testbench for Worst-Case Analysis Using Bayesian Optimization and More
September 2025
XMODEL at DVCon Europe, Evaluating Transceivers with Multi-Drop Channels, and More
August 2025
Modeling Variations in ReRAMs, Supporting RNM Nettypes, and More
July 2025
Analyzing the Power-Saving Benefits of DBI Encoding for High-Speed Transceivers and More