NDLI: A modified Park-Kim voltage-controlled ring oscillator for multi-Gbps serial links

Content Provider	Springer Nature Link
Author	Yuan, Fei
Copyright Year	2006
Abstract	This paper proposes a new multi-stage CMOS voltage-controlled ring VCO called modified Park-Kim ring VCO for multi-Gbps serial links. An in-depth comparative study of pros and cons of Park-Kim VCO and the modified Park-Kim VCO with both single and dual delay paths is given. We show that the modified Park-Kim VCO offers an improved oscillation frequency, large output voltage swing, comparable frequency tuning range and phase noise as compared with Park-Kim VCO proposed in [1, 2]. We further show that although the modified Park-Kim VCO with single delay path and that with dual delay path offer comparable oscillation frequencies when the number of stages of the VCOs is high, the former provides a large frequency tuning range and reduced circuit complexity. To verify performance improvement, both Park-Kim VCOs and the modified Park-Kim VCOs are implemented in TSMC’s-0.18 μm, 1.8 V CMOS technology and analyzed using SpectreRF from Cadence Design Systems with BSIM3.3 device models. Simulation results are presented.
Starting Page	345
Ending Page	353
Page Count	9
File Format	PDF
ISSN	09251030
Journal	Analog Integrated Circuits and Signal Processing
Volume Number	47
Issue Number	3
e-ISSN	15731979
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-04-03
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Voltage-controlled ring oscillators Active inductors CMOS circuits Electronic and Computer Engineering Signal, Image and Speech Processing Circuits and Systems
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Signal Processing Hardware and Architecture

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