NDLI: A 4-Port-Inductor-Based VCO Coupling Method for Phase Noise Reduction

Content Provider	IEEE Xplore Digital Library
Author	Zhiming Deng Niknejad, A.M.
Copyright Year	1966
Abstract	A 4-port-inductor-based voltage-controlled oscillator (VCO) coupling technique is introduced to improve VCO phase noise performance. The analysis of the stability of oscillation modes and the phase noise performance of a coupled oscillator is provided as theoretical fundamental. Four-port inductors are compared with typical two-port inductors, and their superior performance over the latter is demonstrated through analysis and measurements. The design strategies of coupled VCOs using 4-port inductors are discussed. Two coupled VCO topologies, the NMOS-cross-coupled-pair coupled VCO (NCVCO) and the complementary-cross-coupled-pair coupled VCO (CCVCO), are proposed and compared with the conventional NMOS-cross-coupled-pair VCO (NVCO). Prototype designs have been demonstrated to verify the analysis. The 12.8-GHz CCVCO design achieves phase noise of -116 dBc/Hz at 1-MHz offset, a tuning range of 31.4%, and FOM and FOMT of 184 and 194, respectively.
Sponsorship	IEEE Solid-State Circuits Society IEEE Electron Devices Society IEEE Circuits and Systems Society Japan Society of Applied Physics (JSAP) IEEE Microwave Theory and Techniques Society IEEE San Francisco Section Bay Area Council Univ. PA IEEE
Starting Page	1772
Ending Page	1781
Page Count	10
File Size	2687972
File Format	PDF
ISSN	00189200
Volume Number	46
Issue Number	8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inductors Couplings Phase noise Impedance Voltage-controlled oscillators voltage-controlled oscillator (VCO) CMOS coupling 4-port inductor inter-locked ring phase noise switched-capacitor array
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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