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Simulation and Optimization Documentation
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Using the RF Design Environment simulation analyses: DC, AC, S-Parameter, Harmonic Balance, Circuit Envelope, Large-Signal S-Parameter, Transient/Convolution, and Wireless Test Bench.
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Performing a DC simulation. This analysis is fundamental to all RF/Analog simulations. It performs a topology check and an analysis of the DC operating point. It is typically used for all Analog/RF designs.
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Performing an AC simulation. This analysis obtains small-signal transfer parameters like voltage gain, current gain, and linear noise voltage and currents. It is typically used for filter and amplifier designs.
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Performing an S-Parameter simulation. This analysis provides linear S-parameter, linear noise parameters, transimpedance, and transadmittance. Can be used to achieve many goals of the AC simulator. It is typically used for filter, oscillator, and amplifier designs.
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Performing a Harmonic Balance simulation. This analysis uses nonlinear harmonic-balance techniques to find the steady-state solution in the frequency domain. It is typically used for mixer, oscillator, power amplifier, and transreceiver designs. A separate Guide to Harmonic Balance Simulation is also provided.
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Performing a Circuit Envelope simulation. This analysis uses a combination of frequency- and time-domain analysis techniques to yield a fast and complete analysis of complex signals such as digitally modulated RF signals. It is typically used for mixer, oscillator, power amplifier, transreceiver, and phase-locked loop designs.
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Performing a Large-Signal S-Parameter simulation. This analysis seeks a user-defined gain-compression point at which an actual power curve deviates from an idealized linear power curve. It is typically used for power amplifier and mixer designs. Includes application-focused examples for setting up and running simulations.
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Performing a Transient/Convolution simulation. This analysis solves a nonlinear circuit entirely in the time domain using simplified models to account for the frequency-dependent behavior of distributed elements. It is typically used for mixer, power amplifier, and switching circuit designs.
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Using Wireless Test Bench analysis for simplified wireless system verification. Preconfigured test benches are available for these wireless standards: 3GPP, TD-SCDMA, and WLAN. Supports custom wireless test bench development. Wireless test benches enable specification-compliant RF transmitter, receiver, and transceiver testing compatible with Agilent signal generators and analyzers. Includes data displays supporting wireless standards.
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Details on using Connection Manager to interface with instruments. Includes information on how to access and control instruments using ADS Dynamic Link in RFDE.
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Using the simulator functions to build expressions that process a simulation at run-time. Includes general information on the structure and use of equations, along with an extensive function reference. For information on post-processing simulation results, refer to the Measurement Expressions documentation.
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Using layout designs to set up and perform electromagnetic simulations on passive, planar circuits. Includes information about viewing and analyzing various types of simulation data in Momentum Visualization, and improving circuit performance using Momentum Optimization.
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Using Optimization for automatic performance optimization based on a variety of optimizers, and Statistical Design to provide yield analysis and optimization.
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Using Analog/RF Verilog-A models in RFDE while learning basic Verilog-A modeling techniques.
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Developing and implementing models in Verilog-A with a complete reference guide to the language.
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