NDLI: Self-injection locked compact coupled planar resoator based cost-effective ultra low phase noise VCOs For wireless systems

Content Provider	IEEE Xplore Digital Library
Author	Rohde, U.L. Poddar, A.K.
Copyright Year	2007
Description	Author affiliation: Univ. of Cottbus, Cottbus (Rohde, U.L.)
Abstract	A novel self-injection locked compact coupled planar resonator (CCPR) based VCO (voltage controlled oscillator) is developed in response to expensive high Q (quality factor) ceramic and SAW resonators based signal source for wireless communications. One of the problems related to the conventional ceramic/SAW based resonators is fabrication in integrated circuit (IC) form due to 3-D structure. The typical measured phase noise for carrier frequencies 622 MHz, 2488 MHz, and 4200 MHz at 10 kHz offset are better than -135 dBc/Hz, -126 dBc/Hz, and -116 dBc/Hz respectively; and to our knowledge, this is the best phase noise performance for this class of VCOs using printed resonator in 0.35x0.35x0.16 inch circuit board size so far reported. The reported topology is not limited to this frequency, can be extended for other higher frequency by incorporating mode-injection stubs across the CCPR for desired operating frequency, thereby, user-definable.
Starting Page	998
Ending Page	1001
File Size	1116126
Page Count	4
File Format	PDF
ISBN	9781424413416
DOI	10.1109/ECCTD.2007.4529767
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-27
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase noise Wireless communication Fabrication Voltage-controlled oscillators Q factor Surface acoustic waves Coupling circuits Ceramics Frequency measurement Noise measurement
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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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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