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Injection-Locking in Mixed-Mode Signal Processing pp 1–23Cite as

Injection-Locking of Oscillators: An Overview

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Abstract

This chapter provides an overview of injection-locking and its applications in mixed-mode signal processing. The classification of oscillators is provided. It browses through the development of the injection-locking of oscillators with an emphasis on the characterization of injection-locked oscillators. First-harmonic methods for analyzing harmonic oscillators in weak injection are presented. It is followed with the presentation of first-harmonic methods for the analysis of harmonic oscillators in both weak and strong injection. Frequency regenerative injection specifically tailored for frequency multiplication and frequency division is explored. First-harmonic balance method capable of analyzing harmonic oscillators in first-harmonic, superharmonic, and subharmonic injections is studied. The progressive multiphase injection of ring oscillators with multiple injections is examined. The effective injection signaling arising from the nonlinearity of oscillators under injection and obtained by analyzing the Volterra circuits of the oscillators under injection is described. The chapter also briefly browses through the key applications of the injection-locking of oscillators.

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Notes

  1. 1.

    The parallel RLC network in Fig. 1.2 is derived from the network consisting of a series RL network depicting the spiral inductor and a parallel capacitor. The quality factor is dictated by the RL network.

  2. 2.

    Such an assumption is clearly not always correct since during the locking process, the period of the oscillator differs from that of the injection signal.

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  1. Electrical and Computer Engineering, Ryerson University, Toronto, ON, Canada

    Fei Yuan

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Yuan, F. (2020). Injection-Locking of Oscillators: An Overview. In: Injection-Locking in Mixed-Mode Signal Processing. Springer, Cham. https://doi.org/10.1007/978-3-030-17364-7_1

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