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Agilent Technologies Press Release - 12/17/2008
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Agilent Technologies Announces Breakthrough in X-Parameter
Nonlinear Model Generation for Components
Used in Wireless, Aerospace Defense Industries
X-Parameters Enable Model Generation from Simulation or Measurement, for Fast Development
SANTA CLARA, Calif., Dec. 17, 2008 -- Agilent Technologies Inc. (NYSE: A) today announced a
breakthrough nonlinear modeling technique for components such as amplifiers and transistors that are commonly used
in the wireless and aerospace defense industries. The X-parameters can be generated either from simulation with
the company's Advanced Design System (ADS) EDA software or from Agilent's test and measurement instruments, for
faster communications-product development.
In the past, designers could not accurately measure, display and
simulate the full amplitude and phase information of each spectral component in nonlinear designs. They also did
not have access to a highly accurate nonlinear behavioral model that fully characterizes and describes the
nonlinear behavior of their devices. Now, X-parameters make it simple to capture nonlinear behavior with the same
ease and accuracy as measuring or simulating linear S-parameters. Agilent's new X-parameter technology allows
designers to capture the nonlinear behavior of active components such as amplifiers and transistors and save them
in transportable RF intellectual property for use in RF system or circuit designs in ADS.
"Literally in five minutes, you can generate a nonlinear X-parameter model from an off-the-shelf
amplifier by measuring it with Agilent's Nonlinear Vector Network Analyzer (NVNA), and you can start doing
nonlinear designs with it in ADS immediately," said Jason Horn, R&D engineer with Agilent's High-Frequency
Technology Center, and one of the inventors of X-parameter technology.
Advanced Design System enables
X-parameter nonlinear model generation from simulation, allowing design houses to create nonlinear X-parameter
models of their RFIC and MMIC; power amplifier modules (PAMs); front-end modules (FEMs); and multiport devices
such as mixers. This allows RF and microwave system designers to fully characterize systems early in the design
cycle and before the hardware is fabricated. X-parameter models protect the intellectual property from which they
are generated while retaining the full nonlinear characteristics to share with circuit and system design partners.
This technology helps save time and speed products to market all along the design chain.
"System integrators can quickly simulate X-parameter RF modules and provide fast feedback to
component suppliers before hardware is committed," said Jack Sifri, product marketing manager with Agilent's EEsof
EDA division. "This represents a potential design-house savings of at least $1 million in reduced IC foundry turns
and development costs, along with months of savings in development cycle time. Early beta customers representing
key IC design houses and handset manufacturers are enthusiastically embracing X-parameters. The X-parameters
provide a compact language with which to communicate and simulate nonlinear characteristics accurately with full
IP protection."
Users can also generate X-parameter models with load pull characteristics -- for accuracy
over a wide range of terminating impedances -- from ADS simulation or from measurement on an Agilent NVNA using
the load-pull system from Maury Microwave Corp. With load-pull X-parameter models, designers can accurately
simulate and optimize critical transceiver and power amplifier specifications such as cascaded output power, power
added efficiency, error vector magnitude and adjacent channel power ratio, eliminating months of prototype
iterations with off-the-shelf components.
For more information about the Advanced Design System and
X-parameters, visit
www.agilent.com/find/eesof-x-parameters.
To request a demo and get more information about
X-parameters, visit
www.agilent.com/find/eesof-x-parameters-demo.
A high-resolution screen image of Agilent's
Advanced Design System's X-parameter technique is available at
www.agilent.com/find/eesof-ads-x-parameter_images.
About Agilent EEsof EDA Software
Agilent EEsof EDA is an industry-leading provider
of RF-mixed signal circuit and system-design software. The software is compatible with and is used to design the
company's test and measurement equipment. Additional information about Agilent's EDA software is available at
www.agilent.com/find/eesof.
About Agilent Technologies
Agilent Technologies Inc. (NYSE: A) is the world's
premier measurement company and a technology leader in communications, electronics, life sciences and chemical
analysis. The company's 20,000 employees serve customers in more than 110 countries. Agilent had net revenues of
$5.8 billion in fiscal 2008. Information about Agilent is available on the Web at
www.agilent.com.
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