February 2025

Technical Paper

Catching the Elusive Voltage Spike with Analog/Mixed-Signal SVA/PSL Assertions

This DVCon US paper demonstrates how to combine SVA and XMODEL to enable true continuous-time assertion checks. Learn more

Tip of the Month

Modeling a VCO with digitally-selectable voltage-to-frequency characteristics

How would you model a voltage-controlled oscillator with both analog and digital control inputs? Learn more

Primitive of the Month

pwl_sel

This primitive can model a piecewise-linear function that changes with a set of digital input values. Learn more

XMODEL Release Updates

XMODEL 2025.02

This release introduces 'valueX' and 'valueZ' parameters to the primitives with digital inputs to enable customized handling of 'X' and 'Z' values, and more. Learn more

Latest Issues

March 2025

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

February 2025

Catching Elusive Voltage Spikes with Assertions, Modeling VCO with Extra Digital Inputs, and More

January 2025

Modeling Delta-Sigma Digital-to-Analog Converters, XMODEL at DVCon US, and More

December 2024

Modeling Mixed-Signal Processing-in-Memory Circuits, Filtering Phase Noise, and More

November 2024

Modeling a Digital LDO, Tips on Modeling High-Pass Filters, and More