Quadrature variable frequency oscillators with unity gain cells

Two sinusoidal oscillating structures using unity gain cells and whose controllability is provided by resistive elements are presented in this paper. In both schemes the external capacitances are grounded, thus permitting a frequency range enhancement. One of the structures is also suitable for full...

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Bibliographic Details
Main Authors: Monge Sanz, B.M., Martinez Martinez, P.A., Celma Pueyo, S.
Format: Conference Proceeding
Language:English
Subjects:
Capacitance
Controllability
Equations
Filters
Frequency response
Frequency synthesizers
Performance gain
Power dissipation
Proposals
Voltage-controlled oscillators
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Summary:Two sinusoidal oscillating structures using unity gain cells and whose controllability is provided by resistive elements are presented in this paper. In both schemes the external capacitances are grounded, thus permitting a frequency range enhancement. One of the structures is also suitable for fully integrated realization, and both can perform as active-R systems. Experimental results that confirm theoretical analysis are included
ISSN:1548-3746
1558-3899
DOI:10.1109/MWSCAS.2003.1562262