NDLI: Analysis on Phase Lock Loop with frequency and phase dual assistance

Content Provider	IEEE Xplore Digital Library
Author	Weitao Lu Wenge Yang Jiacai Hong
Copyright Year	2013
Description	Author affiliation: Dept. of Opt. & Electr. Equip., Acad. of Equip., Beijing, China (Wenge Yang; Jiacai Hong) \|\| Co. of Postgrad. Manage., Beijing, China (Weitao Lu)
Abstract	In order to meet the contradictory needs coming from dynamic and tracking accuracy, a novel 2-order Phase Lock Loop (PLL) with frequency and phase dual assistance is proposed based on the introduction of DFT phase difference algorithm. The frequency estimation is used to set the center frequency of NCO to make the PLL work in fast pull-in range. According to the estimation accuracy and the relationship between fast pull-in range and loop bandwidth, the lower limit of loop bandwidth is derived. Meanwhile the phase assistance improves the transient response of PLL, which shortens the transient process much further. Theoretical analysis and Simulation results indicate the proposed assistance scheme ensures that the PLL can synchronize quickly and accurately.
Sponsorship	IEEE Eng.Med. Biol. Soc.
Starting Page	1200
Ending Page	1204
File Size	359893
Page Count	5
File Format	PDF
e-ISBN	9781479927647
DOI	10.1109/CISP.2013.6743854
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transient response Accuracy Discrete Fourier transforms Frequency-assistance Estimation Phase-assistance Bandwidth 2-order PLL Frequency estimation DFT Phase Difference Algorithm Phase locked loops
Content Type	Text
Resource Type	Article

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