NDLI: Physical model of phase noise in feedback oscillator

Content Provider	IEEE Xplore Digital Library
Author	Xianhe Huang Wei Fu Pingping Chen Hongyuan Huang
Copyright Year	2013
Description	Author affiliation: Sch. of Autom. Eng., Univ. of Electron. Sci. & Technol. of China, Chengdu, China (Xianhe Huang; Wei Fu; Pingping Chen; Hongyuan Huang)
Abstract	The paper mainly focuses on the effect on the oscillator phase noise by the loaded quality factor $Q_{L}$ in Classical Leeson Model, derives that the equivalent circuit parameters of resonator and the oscillation circuit parameters have conclusive concern with the loaded quality factor $Q_{L}.$ And the experimental verification is made on the basis of two kinds of oscillator circuits (Pierce oscillator circuit and Butler common-base oscillator circuit) and three kinds of acoustic resonators (120MHz SC-cut crystal resonator, 315 MHz one-port SAW resonator and 10.7 MHz $LiTaO_{3}$ BAW resonator). The further experiment shows the changes of the crystal oscillator phase noise with different drive levels and presents that besides some parameters such as $Q_{L},$ the crystal resonator amplitude-frequency (AF) characteristics can also affect the oscillator phase noise apparently. And then, the acoustic oscillator phase noise model can be established on the basis of the physics, which contains the resonator equivalent parameters, the oscillator circuit parameters and the affection of the resonator AF characteristics.
Sponsorship	IEEE Ultrason., Ferroelectr., Freq. Control Soc.
Starting Page	952
Ending Page	955
File Size	2113692
Page Count	4
File Format	PDF
DOI	10.1109/EFTF-IFC.2013.6702086
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase noise Q-factor Frequency modulation Phase measurement Crystals Noise measurement
Content Type	Text
Resource Type	Article

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