November 2024

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.

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

July 2025

Analyzing the Power-Saving Benefits of DBI Encoding for High-Speed Transceivers and More

June 2025

Measuring Open-Loop Transfer Function of DC-DC Converter, Extracting Charge-Pump Converter Models, and More

May 2025

XMODEL at DAC 2025, Modeling an Asynchronous SAR-ADC, and More

April 2025

Modeling NAND Flash Memory, Measuring Comparator's Offset, and More

March 2025

Silicon Photonics Simulation with XMODEL, Measuring I-V Curves, and More