NDLI: Subharmonic Oscillations Induced by Continuous Wave Electromagnetic Interference on a Microwave Phase-Locked Loop

Content Provider	IEEE Xplore Digital Library
Author	Dubois, T. Laurin, J.-J.
Copyright Year	1964
Abstract	This paper presents measurements, simulations, and a theoretical basis to support the observation of spurious peaks on the output spectrum of a microwave phase-locked loop (PLL) exposed to a continuous wave electromagnetic interference (EMI). It is shown that high-power EMI combined to nonlinear characteristics of the PLL may induce subharmonic oscillation phenomena, which provoke the appearance of spurious peaks on the output spectrum. Measurements show that in addition to their dependence on the EMI power and frequency, these spurious peaks depend also on the natural frequency of the PLL and on its stability. Transient circuit simulations of the PLL allowing the prediction of these spurious peaks are presented. Finally, a theoretical explanation based on an analysis of a second-order PLL is given.
Sponsorship	IEEE Electromagnetic Compatibility Society
Starting Page	294
Ending Page	302
Page Count	9
File Size	1136702
File Format	PDF
ISSN	00189375
Volume Number	56
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase locked loops Electromagnetic interference Voltage-controlled oscillators Frequency measurement Integrated circuit modeling subharmonic oscillations Electromagnetic interference (EMI) electromagnetic susceptibility nonlinear oscillator nonlinear system phase-locked loop (PLL)
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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