Tip of the Month
Generating a sinusoidal signal with resettable phase
How do you generate a sinusoidal signal, of which phase can be reset by an external input? A 'sin_gen' primitive followed by a 'switch' primitive won't do it.
April 2024
Model of the Month
Modeling a gated ring oscillator with multiple output phases & arbitrary output waveforms
Here is a model of the gated ring oscillator (GRO) presented in the paper "A Multi-Path Gated Ring Oscillator TDC With First-Order Noise Shaping" by M. Z. Straayer and M. H. Perrott.
Primitive of the Month
pwl_func
This primitive defines a piecewise-linear (PWL) function from an xreal-type input to an xreal-type output.
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