Realization of a low-voltage and low-power Colpitts quadrature oscillator

Abstract

An oscillator for generating a differential quadrature signal dedicated for RF applications is proposed. The topology is based on a direct coupling between two identical differential Colpitts oscillators, requiring no additional coupling stages and hence reducing the current consumption. A theory on the lowering of the oscillating frequency of the… (More)
DOI: 10.1109/ISCAS.2006.1693577

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