December 2022

Tutorial Updates

Modeling and simulation of high-speed I/O interfaces with XMODEL

This popular tutorial is now updated with channel crosstalk modeling, voltage-mode transmit equalizer, dither suppression in bang-bang CDRs, and new scripts for BER bathtub, JTRAN, and JTOL simulations.

Tip of the Month

Measuring the coverage of a finite-state machine (FSM) in SystemVerilog

Here is a simple SystemVerilog testbench that can measure the state and transition coverages of your FSM simulation.

Model of the Month

Modeling amplifiers with output voltage and slew rate limits

Check out this simple way of limiting the output voltage and slew rate using the new 'vlimit' and 'ilimit' primitives.

Primitive of the Month

ilimit

This primitive models a nonlinear resistor element which can keep the current flowing through the element within the specified limits.

Latest Issues

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

October 2024

UVM Testbench for Verifying Adaptive DFE, Measuring the PLL's Open-Loop Transfer Function, and More

September 2024

XMODEL at DVCon Europe 2024, Modeling SRAM Array, and More

August 2024

Modeling PCIe Receiver Detection Circuit, Exporting XWAVE Analysis Results, and More