Analysis and Design of Quadrature Oscillators

Authors:
Luis B. Oliveira;Jorge R. Fernandes;Igor M. Filanovsky;Chris J.M. Verhoeven;Manuel M. Silva
Affiliations:
-;-;-;-;-
Venue:
Analysis and Design of Quadrature Oscillators
Year:
2008

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Cited 3

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An inductorless CMOS quadrature oscillator continuously tuneable from 3.1 to 10.6 GHz

International Journal of Circuit Theory and Applications

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Abstract

The following are some features of Analysis and Design of Quadrature Oscillators make it different from the existing literature on electronic oscillators: (1) focus on quadrature oscillators with accurate quadrature and low phase-noise, required by modern communication systems; (2) a detailed comparative study of quadrature LC and RC oscillators, including cross-coupled LC quasi-sinusoidal oscillators, cross-coupled RC relaxation oscillators, a quadrature RC oscillator-mixer, and two-integrator oscillators; (3) a thorough investigation of the effect of mismatches on the phase-error and the phase-noise; (4) the conclusion that quadrature RC oscillators can be a practical alternative to LC oscillators when area and cost should be minimized (in cross-coupled RC oscillators both the quadrature-error and phase-noise are reduced, whereas in LC oscillators the coupling increases the phase-noise.