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Video Demos on Generating X-Parameters from Circuit Level Designs

This series of four demonstration videos shows how to generate fast and accurate behavioral models based on X-parameters* generated from a circuit-level design. These models offer an ideal way for designers to share the performance of their circuit-level designs with the system design/integrator, prior to the availability of a physical prototype. Using these models, the system designer/integrator can evaluate overall system performance and conduct trade-off analysis earlier in the design cycle and much faster than if they were working with circuit-level designs. Because the X-parameter-based models are accurate and characterized over the same set of parameters that would be used to characterize the actual physical device, they also have a higher degree of confidence that the chip will work within the system the first time.

ADS Simulation and Design

Part 1 of 4 (00:06:56) - Generating X-parameter Models

  • Video demo on generating a one tone/ 50 ohm load X-parameter model from circuit level PA for LTE application.

Part 2 of 4 (00:10:46) - Generating Load Dependent X-parameter Models

  • Video demo on generating a load pull / load dependent X-parameter model that allows accurate simulation of cascaded nonlinear X-parameter blocks with mismatch.

Part 3 of 4 (00:09:38) - Generating Two-Tone X-parameter Models

  • Video demo on generating a two-tone X-parameter model that can be used to determine inter-modulation products and third order intercept of wireless components like amps, mixers, etc.

Part 4 of 4 (00:08:42) - Using X-parameter Models in ADS for Wireless Verification

  • Video demo on using X-parameter models at the system level to evaluate wireless verification specs such as EVM, ACPR, spectrum, channel power, and constellation.

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Note: The demonstration videos above are provided in Windows Media Video (.wmv) format. If you are experiencing problems attempting to view the videos above, you may need to download the appropriate video coder-decoder (codec). For more information, refer to the Microsoft Web site. 

For more information on using X-parameters in your designs, refer to:

Return to the MMIC Design Seminar Materials page.

* "X-parameters" is a trademark of Keysight Technologies, Inc. The X-parameter format and underlying equations are open and documented. For more information click here.