Transcription of CIC 1.SpectreRF Overview
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Overview SpectreRF is an optional feature added to Spectre ,and isrepresented by6 : Periodic Steady State : Periodic AC : Periodic Transfer Function : Periodic Noise AnalysisTdnoise: Time Domain NoiseQPNOISE: Quasi-Periodic Noise (not discuss here) : Periodic Distortion AnalysisQPSS: Quasi-Periodic Steady State (not discuss here) Analysis (not discuss here)PAC, PXF, and PNOISE are similar in concept to AC, XF, and , they are applied to periodically-driven circuits such as mixers in a Design FlowSchematicModelsThe netlists include allcomponents along with ananalysis selection, simulationcontrols and statements to save,plot nodes or Direct plot or theCalculator plot ControlDesignNetlistAnalog Artist EnvironmentAnalog Artist Plot ResultsSPECTRE EngineCIC1-3 SpectreRF Tool FlowPSS is a large-signal analysisand
• When the Conv norm is 1(unity) or less, the simulation meets the matching criterion. • The PSS messages also display the number of PSS iterations, the number of accepted timesteps, and the total time required for PSS analysis. Conv norm = Measured ∆V between start and end of shooting interval reltol*lteratio*steadyratio
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