March 2023

Tutorial on Demand

Harnessing the power of UVM for AMS verification with XMODEL

Missed this tutorial at DVCon US? You can watch its video recording and learn how to write UVM testbenches for analog/mixed-signal circuits.

Model of the Month

Modeling a variable capacitor

Check out how to model a capacitor with continuously-varying capacitance, of which current is equal to I = C·dV/dt + V·dC/dt.

Tip of the Month

Plotting the Fourier transform of an xreal-type signal

Did you know you can plot the Fourier transform of a signal using XWAVE?

Primitive of the Month

cap_sw

This primitive models a capacitance whose capacitance switches between discrete values.

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