Knowledge Booster Training Bytes - The Spectre FX Circuit Simulator

3 Apr 2023 • 2 minute read

Today’s complex analog mixed-signal designs need high accuracy and fast simulation. Let us talk about the Cadence Spectre FX simulator, which is the next-generation FastSPICE simulator. The Spectre FX Simulator delivers up to 3X transient simulation performance with equivalent or superior accuracy over the latest FastSPICE simulators and the ability to leverage up to 32 parallel CPU cores. The Spectre FX Simulator is an integral part of the Spectre Simulation Platform and is built on the same infrastructure technology as all members of the Spectre simulator family.

The Spectre FX Simulator uses an innovative architecture that delivers very high simulation accuracy and performance by finding the optimal balance between accuracy and speed of the simulation using proprietary techniques designed to handle both sensitive analog circuits and event-driven digital circuits in the same design.

The Spectre FX Simulator also delivers the high capacity needed to handle several tens of millions of RC parasitics and supports post-layout simulation with DSPF, SPEF, and extracted SPICE formats. The parasitics file can be a flat or a hierarchical netlist included directly in the main netlist or can be backannotated into a pre-layout netlist for improved debuggability.

The Spectre FX Simulator offers easy-to-use presets with a very predictable performance accuracy balance. The presets are designed such that users can easily control the tradeoff between simulation accuracy and performance in an intuitive and efficient manner.

As they say, watching this in action might help you more than reading about it, so please take a look at our Training Bytes video channel, which offers many helpful videos on how to launch and use the Spectre FX tool.

All the related videos are linked together in a channel, so that you can easily access and watch as many as you like.

The Spectre FX Simulator

Want to learn more?

For lab instructions and a downloadable design, enroll for the online training course on Spectre FX Simulator vSPECTRE21.1 (Online). Training is also available as a "blended" or "live" class.

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