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Analysis solution provides precision for serial links

Posted: 02 Feb 2009 ?? ?Print Version ?Bookmark and Share

Keywords:solution analysis? Channel Sigrity Designer? high-speed links serial?

Sigrity Inc has introduced Channel Designer, an analysis solution that offers the flexibility and accuracy required for high-speed serial links.

"It is essential to accurately predict BER to ensure a robust implementation that can handle anticipated jitter and noise levels," said Jiayuan Fang, president of Sigrity. "With millions of bits of data to be considered over a wide frequency spectrum from DC to tens of gigahertz, it can be extremely challenging to obtain reliable time-domain simulation results from band-limited channel models. Channel Designer provides unparalleled precision."

Channel Designer net-based block-wise schematic editor supports rapid design capture for a single net interconnect or a complete bus traversing multiple boards. The Model Connection Protocol automatically connects circuit models for each element of the channel identified in the schematic. Channel templates of board, package and connector structures are provided. Detailed models extracted from physical layout user databases are swapped in as designs progress. Channel Designer fully supports the IBIS Algorithmic Modeling Interface (AMI), which has emerged as the industry standard for transmitter and receiver modeling. AMI models now are available from leading IC vendors, and Sigrity provides a number of useful generic AMI-compatible transmitter and receiver models for early assessments of I/O behavior. In addition, Sigrity's support for cascaded AMI models simplifies model creation, testing and use.

Channel Designer uses equalization and clock data recovery (CDR) modeling to anticipate the end-to-end behavior of serial links, and it rapidly simulates design alternatives. Advanced scenario sweep automation identifies design boundaries. Channel Designer also includes automated crosstalk analysis that specifically targets crosstalk-induced jitter and noise arising in links operating at more than 10Gbit/s. Designers can assess crosstalk from any number of sources, anywhere along the channel. The channel analysis output includes 2D and 3D eye diagrams, along with bathtub curves, for accurate BER prediction.

Channel Designer will be available on Windows and Linux platforms this quarter with pricing starting at $30,000.

- Gabe Moretti
EDA DesignLine





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