December 2022

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.

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.

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.

ilimit

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

Latest Issues

March 2024

UVM Testbench for LDOs, Modeling a Buffer with Variable Rise/Fall Delays, and More

February 2024

XMODEL at DVCon US, Modeling D-PHY Transceivers, and More

January 2024

Modeling a Buffer with Arbitrary Rising and Falling Transition Waveforms, and More

December 2023

XMODEL at ASP-DAC 2024, Modeling Time-of-Flight Sensors, and More

November 2023

Modeling a Thermal Sensor Circuit, Measuring the Transmitter Output Resistance, and More