The product, available as an add-on to Advanced Design System 2014 uses a novel approach to design controlled impedance transmission lines. Previous tools for this task allowed only for line characteristics, such as frequency response, as the optimization goal. In modern chip-to-chip links, this metric has become less relevant because it doesn’t take holistic effects of the end-to-end link into account. Most important, the effect of the equalizer in the receiver is ignored. The metric that matters today is the post-equalization eye opening.
The integration of Agilent’s Controlled Impedance Line Designer and the existing Channel Simulator in ADS rectifies this situation by letting engineers see a set of eye openings that result from sweeping through the pre-layout design parameters (e.g., line width).
To ensure accurate calculation of the transmission line characteristics, the software automatically employs a fast, cross-sectional (2D) electromagnetic field solver. The dielectric layers are modeled using the frequency-dependent
The Controlled Impedance Line Designer also includes a provision to determine the effect of manufacturing variation on input parameters, such as thickness on the output parameters (e.g., impedance).
“This new approach brings line design into the multigigabit era,” said
U.S. Pricing and Availability
Agilent EEsof EDA’s Advanced Design System 2014 with the Controlled Impedance Line Designer software add-on will be available in
More information on the Controlled Impedance Line Designer software is available at www.agilent.com/find/eesof-ads-cild. An image of the software is available at www.agilent.com/find/CILD_images. For a video highlighting the new software add-on for ADS 2014, go to http://youtu.be/wdlAAQgLJsc.
NOTE TO EDITORS: Further technology, corporate citizenship and executive news is available at www.agilent.com/go/news.
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