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Although superregeneration is usually discussed as a nonlinear problem, the linear mode is an example of a linear circuit problem with a time-varying parameter. The present analysis determines the effect on the behavior of a tuned circuit when its damping factor is subjected to sinusoidal variation. The amplitude and frequency of this variation are considered the fundamental parameters which distinguish the superregenerator from an ordinary resonant circuit. Sensitivity and selectivity are studied as functions of these parameters. It is shown that the solution of the differential equation predicts the phenomenon of multiple resonance and other wellknown properties of a superregenerator in the linear mode.
H.A. Glucksman (Sun,) studied this question.