Observations concerning the locking range in a complementary differential LC injection-locked frequency divider-part II: Design methodology

Abstract

An intuitive approach to analyze the behavior of an LC Injection-Locked Frequency Divider was presented in Part I of this work; that paper provided insight into the locking behavior in the valid design area of the circuit. In this paper, we present a rigorous design methodology which provides a closed form equation showing where the locking range is wider. Theoretical predictions of the locked regions are verified by simulations of the circuit in Spectre RF using 0.35-μm CMOS technology models. © 2010 IEEE.

Publication Title

IEEE Transactions on Circuits and Systems I: Regular Papers

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