Model of the Month
Digitally-controlled phase-locked loop
Explore a digital PLL model built from a time-to-digital converter, digital loop filter, digital-controlled oscillator, and frequency divider. Learn more
September 2026
Q&A of the Month
Mapping X and Z input values to 0 or 1
Learn how the 'valueX' and 'valueZ' parameters let XMODEL primitives interpret unknown and high-impedance inputs as either 0 or 1. Learn more
Primitive of the Month
inv_xbit
This primitive inverts xbit-type digital signals with inertial delay and optional mapping of X and Z values. Learn more
Latest Issues
October 2026
XMODEL at DVCon Europe, Optimal Equalizer Design, and More
September 2026
Modeling a Digital PLL, Handling X/Z Values, and More
August 2026
Modeling DLL, Simulating PSIJ, and More
July 2026
Meet Diana, Scientific Analog's AI Booth Specialist at DAC 2026!
June 2026
Verifying NPUs with CIM, Optimizing Transmit Equalizers, and More