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Circuit simulation

HyperLynx Analog Mixed-Signal Simulation

HyperLynx Analog-Mixed Signal (AMS) simulation expands standard SPICE-based circuit analysis to leverage industry advances in PCB modeling and simulation, accelerate circuit development, and speed verification, bringing innovative circuit simulation and analysis to accelerate the PCB design process.

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Mixed-signal, mixed-domain analysis

HyperLynx AMS provides a digital-twin environment for system design and analysis by enabling mixed-signal, mixed-domain analysis through support of SPICE and VHDL-AMS simulation models for time-domain simulation. It models electro-mechanical and other disciplines in a broader system context than is normally supported by time-domain circuit simulation. It supports advanced parametric analyses to verify design performance beyond nominal conditions, and uses full-featured data measurements to quantify design performance metrics.

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One schematic drives everything
Why draw circuits once for simulation and then again to drive PCB layout? HyperLynx AMS is tightly integrated with the Xpedition design flow, so the same schematic used to drive simulation also moves your design seamlessly to layout.

Advanced design simulation
Extend standard time and frequency domain analysis to explore design sensitivities, sweep circuit parameters, determine manufacturing yields including corner-case behavior and analyze worst-case performance. Verify your design's performance using a virtual prototype of the target system, resolving issues and optimizing performance before committing it to fabrication

Integrated with PCB layout
We often think of PCB parasitics as critical factors affecting high-speed digital design, but not much else. However, PCB layout topologies affect analog and mixed-signal performance as well. HyperLynx AMS allows the effects of PCB layout to be included in the simulation, analyzing the board as it will actually be built.

Versatile waveform display

HyperLynx AMS includes a high-performance waveform database for manipulating huge waveform files and is capable of loading gigabytes of data in seconds. It can display both analog and digital signals against a common timebase and can perform mathematical operations on waveforms. It can display time or frequency domain data of any type: analog, digital, eye diagram, smith chart, polar or complex chart, and histogram.

Key features include:

  • Intuitive Waveform Viewing: Load, display, search, and view multiple databases in a single session.
  • Parametric Analysis: Easily manage results from multiple simulation runs.
  • Graphical Waveform Calculation: Feature-rich environment for simulation results viewing and post-processing.
  • Cursors and Measurement Tools: Perform and plot a variety of analog and mixed-signal measurement operations on waveforms.
  • Waveform Post-Processing: Access advanced signal processing tools, charting, and analysis.
  • Powerful Mixed-Signal Waveform Comparison: Automatically compare simulation results to a known-good waveform.
  • Automatic Reloading: Automatically display and compare new simulation results with previous results during simulation.
  • Scripting for more Automation: Run measurements in TCL using hundreds of built-in functions.
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Evaluate effect of PCB parasitics

HyperLynx AMS is tightly integrated with both Xpedition Designer and Xpedition Layout for modeling the effects of PCB layout on analog and high-speed digital circuits. The design and verification flow includes the following steps:

  • Simulate original (schematic) design with ideal connections (no parasitics)
  • PCB physical design using Xpedition Layout
  • Extract PCB parasitic values from the PCB database using HyperLynx Advanced Solvers
  • Back-annotate PCB parasitics into the Designer schematic
  • Rerun simulation in HyperLynx AMS to see effects of PCB layout
  • Compare pre- and post-layout simulations, adjust layout and iterate as necessary

This complete design and verification flow allows issues to be discovered and corrected before prototype fabrication, ensuring that sensitive circuits are properly tuned to include the effects of PCB layout.

Next level SPICE simulation

Next level SPICE simulation

HyperLynx Analog/Mixed Signal Analysis (AMS) takes standard SPICE-based circuit analysis to the next level by incorporating advancements in PCB modeling and simulation to expedite circuit simulation and accelerate mixed-signal verification. With the ability to drive everything from a single schematic, why go through the hassle of drawing circuits twice?

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HyperLynx Analog/Mixed Signal

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