NDLI: A Study of a Driven Oscillator with FM Feedback by Use of a Phase-Lock-Loop Model

Content Provider	IEEE Xplore Digital Library
Copyright Year	1963
Description	The locking phenomenon of a driven oscillator has been studied by many authors. Huntoon and Weiss have characterized it by their locking signatures. It is also known that the difference phase of an oscillator and that of a phase-locked-loop (PLL) obey the same differential equation. In this paper a PLL configuration is obtained which yields the same locking signatures as those for the oscillator. Thus the equivalence between the oscillator and the PLL model is established both in terms of Iocking signature as well as in terms of frequency behavior. Since the nonlinear equations describing the oscillator and PLL model are identical, any static or dynamic results which apply to one also apply to the other. In systems containing oscillators, each oscillator maybe replaced by its equivalent PLL model so that the system may be analyzed more easily. For example, the locking-signature shape and the Iocking bandwidth of two coupled oscillators are given in terms of parameters which are easy to measure. In a second example, results are presented which describe the performance of an oscillator which is frequency modulated by a feedback signal. It is found that the signature shape and locking bandwidth may be set to any desired value by the proper choice of feedback parameters. Experimental results are presented which verify the theoretical results.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	357
Ending Page	366
Page Count	10
File Size	979624
File Format	PDF
ISSN	00189480
Volume Number	19
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1971-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Oscillators Feedback Ferrites Phase locked loops Microwave devices Polarization Phased arrays Frequency modulation Shape measurement
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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