E8926A Advanced Model Composer

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Based on patented Agilent technology, the E8926A Advanced Model Composer presents a new paradigm in passive model generation. It provides designers with the best of both worlds by bringing the accuracy of EM simulation and the speed of analytical models into a single, user-defined, compact model. Customized models, based on a set of pre-selected parameters, are easily built with specific process information to operate over the desired frequency range. The models are more accurate than typical analytical models because they are generated through true EM simulation. Completed models run faster because the EM simulation is only run when the model is originally created. The finished models are integrated into ADS as part of the Design Kit library, making them easily accessible to all designers using the same process. Click on the following links for complete information. Product Information Ordering and Configuration Publications User Support

Product Highlights

• Patented Multi-dimensional Adaptive Parameter Sampling (MAPS) yields fast and accurate models.
  
• Electromagnetic based models for transparent physical design verification.
  
• User defined custom component shapes.
  
• User defined component parameter number and range.
  
• Models available for both schematic and layout representations.
  
• Generated models conform to ADS Design Kit structure.
  
• Automatic library generation process.
  

Product Description

Advanced Model Composer

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With the new Advanced Model Composer, Agilent meets the need for EM-accurate passive models that maintain the simulation speed advantages of analytical models. RF and microwave designers who use ADS can now develop improved models based on specific operational and material properties. Agilent-patented MAPS technology works with the ADS Momentum EM fullwave simulator to automate the process of accurate model generation, saving valuable time throughout the design process.

RF and MW designers no longer need to be confined to pre-built generalized passive models that only work for limited frequency ranges and substrate properties. Nor do they need to make the big investment of time and resources to independently develop their own models. Using the Advanced Model Composer, designers can now generate, with minimal effort, custom-tailored passive component libraries based on the frequencies of interest and the process properties specific to their design. These model libraries are readily shared with colleagues and customers to allow them to achieve the same design accuracy as they make their contributions to the design process.

The Advanced Model Composer is Layout driven, making it easy for users to generate models of passive elements and discontinuities. It allows users to define the model shape, frequency range, process properties and any number of associated physical parameters. Once this set of information is supplied through the intuitive graphical user interface, the rest is done automatically. The final compact model library conforms to ADS Design Kit structure is accessible from both Schematic and Layout and exhibits EM accuracy while maintaining the ultra-fast simulation speeds typical of standard analytical models. This unique combination allows these accurate new models to confidently be used with design automation techniques such as real-time tuning and performance optimization.

Modeling Technology

The two key technological enablers of the Advanced Model Composer are a new adaptive modeling technique, based on the Agilent-patented Multidimensional Adaptive Parameter Sampling (MAPS), and the industry proven ADS Momentum full-wave and quasi-static EM simulator. MAPS is a breakthrough technique that builds a global fitting model of the chosen parameters and handles frequency and geometrical dependencies separately.

Multi-dimensional polynomial fitting techniques are used to model the geometrical dependencies, while separate polynomial fitting techniques are used to handle frequency dependencies. The model generation process does not require any advance knowledge of the circuit under study. Different adaptive algorithms are combined to efficiently create a parameterized fitting model that meets the predefined accuracy requirements. This process includes the adaptive selection of not only an optimal number of data samples along the frequency axis and in the geometrical parameter space, but also adaptive selection of the optimal order of the multinomial-fitting model. The number of data points is automatically selected to avoid over-sampling and under-sampling. The algorithm converges when the desired accuracy is reached. The model complexity is programmatically adapted to avoid overshoot or ringing. One of the biggest benefits of this unique technology is that the generated models can easily and effectively be used for optimization purposes because they are so fast and can cover the entire parameter and frequency space.

How To Buy

To request immediate sales assistance - for help choosing the best system; for product configuration and integration details; to request telephone assistance or an on-site demo of the software; or to request a price quotation - click on the following link:

• Agilent EEsof EDA Sales Assistance

Technical Articles

• Mounir Adada, Agilent Technologies, New Technology for Automatic Spiral Inductor Generation Speeds and Enhances Circuit Design for Ultra-Wideband Applications, Microwave Product Digest, August 2005. Current issue: Microwave Product Digest.
  
• Mounir Adada, Tom Dhaene, Agilent EEsof EDA, Advanced Model Composer: Empowering Designers with Speed and Accuracy, Microwave Product Digest, April 2004. Current issue: Microwave Product Digest.
  
• Mounir Adada, Agilent Technologies, Practical Approaches to Faster, More Accurate MMIC Design, Microwave Product Digest, October 2003. Current issue: Microwave Product Digest.
  
• Jan Kahdeman, Agilent Technologies, Meeting the modeling challenges of high-frequency designs, Electronic Products, 10 August 2003. Current issue: Electronic Products.
  
• Mounir Adada, Agilent Technologies, Layout Components - The New EDA Building Blocks for Physical Design Modeling, Microwave Product Digest, October 2002. Current Issue: Microwave Product Digest.
  
• Tom Dhaene, et al., Agilent Technologies/INTEC - Ghent University, Constrained EM-based Modeling of Passive Components,   IEEE Xplore,   4-page technical paper, Microwave Symposium Digest, 2002 IEEE MTT-S International, June 2002.   Current Issue: IEEE Xplore.
  
• Mounir Adada, Agilent Technologies, How to Build EM-accurate Parameterized Passive Models,   RF Design, 1 June 2002. PDF Version  (94 KB).   Current Issue: RF Design.
  

Example Files

• Momentum Seminar Archive - PDF files of slides, ADS project files, and other materials supporting a one-day customer seminar covering key topics in Momentum set-up and simulation. Also includes information on using Advanced Model Composer.
  

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