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A Charge-Conserving Small-Nonlinearity Analysis Through the Fifth Harmonic
Develops a charge-conserving small-nonlinearity theory for harmonic distortion in first-order RC networks with voltage-dependent Class II ceramic capacitors, including closed-form and recursive results through the fifth harmonic.
Charge-Conserving Modeling, Simulation Pitfalls, and ENOB Degradation
Explains how voltage-dependent Class II ceramic capacitors create dynamic error in SAR ADC input paths and why charge-conserving Q(V) models are needed for credible ENOB estimates.
Physics and Simulation Traps
Explains why output-voltage THD in a nonlinear RC low-pass network peaks near the transition band and distinguishes physical dielectric distortion from numerical artifacts in incorrectly formulated capacitor models.
Why THD Peaks Near the RC Transition Band — and How Incorrect C(V) Simulation Creates False Harmonics
Shows why THD from X7R and X5R capacitors can peak near an RC cutoff frequency, and separates physical nonlinear behavior from artifacts caused by poor C(V) simulation models.