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E8823 Agilent Ptolemy Simulator |  |
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Product InformationProduct Highlights
Product Description
E8823 Agilent Ptolemy uses innovative simulation technologies to enable design and simulation of purely DSP based circuits such as FIR filters or digital Costas loops. In the same environment, it also provides the capability to analyze RF circuitry chains including amplifiers, mixers, and filters. The digital portion of the module aids in the construction of sophisticated algorithms and simulations. It allows the designer to observe performance via bit error rate, eye diagrams, constellation diagrams and other measurements. The simulator's analog RF modeling capability includes the ability to add effects such as third order intercept, phase noise, frequency-dependent VSWR effects and noise figures. Agilent Ptolemy also helps model real-world effects in mixed analog, RF, and DSP systems, while accurately predicting performance. ModelsAgilent Ptolemy includes an extensive set of models for designing DSP algorithms and for behaviorally modeling the analog and RF signal distortions that occur in real-world signal paths. The model library includes more than 800 models divided into three broad groups: DSP models, communications models, and analog/RF models. DSP ModelsThe DSP model library includes floating-point building blocks that range from simple multipliers and adders to complex equalizers and FIR filters. You can combine these blocks quickly to explore and optimize DSP algorithms without having to write code. The addition of E8822A Agilent Ptolemy Fixed Point Analysis extends these models to include fixed point behavioral modeling. DSP and digital models include the following:
Communications ModelsThe communications library includes a large number of blocks that make it easy to assemble a complete communications system while focusing on the section of the design under investigation. The library includes items such as QAM modulators, demodulators, raised cosine filters, and a variety of other standard communications blocks. Analog and RF ModelsAnalog and RF models include sophisticated modeling algorithms developed from years of experience with analog and RF solutions. The library includes mixer models, RF amplifier models, and oscillator models. These models allow you to add a variety of real-world, communications signal distortions such as phase noise from oscillators, third-order intercepts, and nonlinear phase shift from IF filters. With these comprehensive model sets, you can accurately simulate everything in the communications signal path whether the part is analog, RF, or DSP based. Analog and RF models include the following:
User-Defined Model BuilderThe user-defined model builder lets users write their own custom C++ models and integrate them into the ADS Ptolemy simulation environment. Co-Simulation Between DSP, Analog, and RFBy itself, E8823 Agilent Ptolemy can easily simulate DSP, analog, and RF at the behavioral level. It may also be desirable to move from a purely top level behavioral simulation to a lower level simulation with more realism. With E8823 Agilent Ptolemy you can include a representation of a component, such as an amplifier, that has the actual transistors, capacitors, and other circuit-level parts, and have it co-exist in the simulation with all of the behavioral models. This co-simulation between Agilent Ptolemy and analog circuitry is possible through the co-simulation architecture that is built into the heart of Advanced Design System. OptimizationE8823 Agilent Ptolemy module also includes an optimizer package with more than ten different algorithms for fine tuning fixed or floating point system design parameters. E8822A Agilent Ptolemy Fixed Point AnalysisE8822A Agilent Ptolemy Fixed Point Analysis adds fixed-point model analysis and optimization capability to the Agilent Ptolemy models. Designers can model fixed-point math effects (up to 256 bits using two's complement or unsigned magnitude), bit-width effects (user-specifiable format), and quantization effects (rounding or truncations). Click on the following link for more information: Ordering and ConfigurationHow To BuyTo 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: Configuration DetailsRequiredRelated ProductsPublicationsTechnical Articles
User SupportTraining Classes
Advanced Design System FundamentalsThis is a medium-paced three-day detailed introduction to the application of Advanced Design System (ADS) for communication systems and circuit designs. This course instructs designers on schematic capture, the proper application of a wide variety of simulators, and the display and manipulation of results. After a brief study of ADS basic operation, students design and test amplifier and filter circuits that are then placed in a down-converting receiver system for final simulation. Real-world examples are used at all times so that designers can return to their jobs ready to apply ADS effectively to their design challenges. For detailed course descriptions and class schedules worldwide, click on the following link: Using ADS Communication Systems DesignerThis is a medium-paced three-day review of communications system design techniques, for systems that consist of digital/DSP and RF/Analog sub-blocks. The path from requirements to system design specifications is shown, followed by individual sub-system design specifications. Different simulation techniques are used to aid in the design decisions, including optimization, budget analysis for transmitters and receivers, statistical design and yield analysis, digital filter synthesis, BER measurement. The class is hands-on oriented. Each student builds his own project, effectively using all the necessary features of ADS. The project developed during the training course is built from the ground up into a complete PI4DQPSK communications system: data source, modulator, transmitter, RF propagation channel model, receiver, demodulator. Simulations are performed on various sub-systems, to validate their performance prior to integration into the top-level system design. For detailed course descriptions and class schedules worldwide, click on the following link: Example FilesThe following example files are included in the Examples directory in Advanced Design System. Click on the link for a description of the example.
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