A Volterra-Series Model in SystemVerilog/XMODEL for Nonlinear RF Low-Noise Amplifiers
Affiliation Type:
Academia
Keywords:
RF transceiver system, nonlinearity, XMODEL
Abstract:
In mobile RF transceiver systems, the growing effects of nonlinearities call for nonlinear modeling of their key components to predict the performance of the overall system. This work demonstrates a nonlinear, Volterra-series model of a low-noise amplifier circuit in SystemVerilog, leveraging the functional expression and event-driven simulation capability of XMODEL. The simulation results show the spectral regrowth and 16-dB improvement of OIP3 by applying the nonlinearity cancellation technique to the model.