Spice model for AM-PM conversion introduced by weakly nonlinearcircuits

摘要

An algorithm is installed into the Spice code for simulating AM-PMnconversion as a phase statement of compression and desensitisationnphenomena. The algorithm is based on a novel model suitable for analysisnof the AM-PM conversion introduced by weakly nonlinear circuits. ThenBerkeley Spice version 3F5 source code was modified to obtain thencompression and desensitisation coefficients and the AM-PM conversion innweakly nonlinear circuits as a phase statement of compression andndesensitisation effects. Results of the simulation of the AM-PMnconversion introduced by a microwave GaAs FET amplifier are reported