Rapid intermodulation distortion estimation in fully balanced weakly nonlinear Gm-C filters using state-space modeling

Authors:
Paul Sotiriadis;Abdullah Celik;Zhaonian Zhang
Affiliations:
Johns Hopkins University;Johns Hopkins University;Johns Hopkins University
Venue:
GLSVLSI '06 Proceedings of the 16th ACM Great Lakes symposium on VLSI
Year:
2006

Citing 3
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Abstract

State-space modeling of fully differential Gm-C filters with weak nonlinearities is used to develop a fast algorithm for intermodulation distortion estimation. It results in simple analytic formulas that apply directly to Gm-C filters of any order and any fully balanced topology. The algorithm has been verified using SpectreS (SPICE) and Simulink simulation. Theory and simulation results are found in good agreement.