Noise Analysis in RF CMOS active switching Mixers

Conference: ISTET 2009 - VXV International Symposium on Theoretical Engineering
06/22/2009 - 06/24/2009 at Lübeck, Germany

Proceedings: ISTET 2009

Pages: 5Language: englishTyp: PDF

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Darrat, Ahmed H.; Mathis, Wolfgang (Leibniz University of Hannover)

This paper discusses the dependency of noise in switching mixers on the characteristics of the switching stage. Considering non-ideal switching, it is shown that the parameters of the switching stage affect the total noise produced at the mixer’s output. Including thermal and flicker noise, an analytical expression for noise in dependency on the technology and architecture parameters, as well as the local oscillator signal, is derived.