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Agilent rolls million-bit-per-minute SI simulator

Posted: 06 Feb 2009 ?? ?Print Version ?Bookmark and Share

Keywords:SI simulator? signal integrity? verification tool?

Agilent Technologies Inc. has developed a million-bit-per-minute SI Channel Simulator for multigigabit chip-to-chip data link design. Part of Agilent's Advanced Design System (ADS) EDA software platform, the Channel Simulator allows an interactive eye measurement from channel simulations inside the ADS SI design and analysis environment.

The most common applications for the ADS Channel Simulator are design and verification of chip-to-chip multigigabit/s serial links. These are found in almost all consumer and enterprise digital products including laptops, data center servers, telecommunication switching centers and Internet routers. At the very high data rates at which these links operate, SI engineers must take into account physical phenomena such as impedance mismatch, reflections, electromagnetic coupling, crosstalk and microwave frequency attenuation due to the skin effect and dielectric loss tangent.

The ADS Channel Simulator allows SI engineers to address these challenges by performing "what-if" design space exploration. To aid this workflow, ADS Channel Simulator uses impulse response analysis to automatically extract a fast, linear FIR model from any combination of ADS circuit-level and physical-level components. This results in simulation throughputs of more than a million bits per minute. Fast eye measurement lets SI engineers interactively produce the resulting eye measurementsand optimize transmit and receive equalizationin serial links such as PCIe, USB 3.0 and 10Gbit Ethernet.

"With a throughput that's a thousand times faster than SPICE, it is now practical to make changes to the channel or the transmit-and-receive equalization and see eye measurement results instantaneously," said Colin Warwick, signal integrity product manager with Agilent's EEsof EDA division. "The Channel Simulator is unique because it allows our customers to build the model from regular ADS circuit- and physical-level components. They can access tuning, optimization and batch modeall from an intuitive user interface."

Agilent's Advanced Design System offers complete integration to designers of multigigabit/s serial links; consumer and commercial wireless electronic products, such as mobile phones, wireless networking and GPS; and radar and satellite communications systems.

Agilent's Channel Simulator will be available as part of the Advanced Design System 2009 release, available in mid-February. The Channel Simulator is offered as part of both the legacy E8885 Convolution Simulator and its successor, the new W2302 Transient Convolution Element in Agilent's Advanced Design System. Prices start at approximately $26,000.

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