A systematic approach to the design of reconfigurable LC VCOs is proposed in this paper. The focus is on the choice of the reactive element of the tank most suited to switch the oscillation frequency. The optimum is the component that determines the tank Q. As an example, the design of a GSM900/1800 VCO in a 0.13 μm CMOS technology, switching a series inductor, is discussed. At this frequency, the tank Q is roughly the inductor Q, and series inductor switching allows area savings with respect to parallel switching.

Analysis and design of a dual band reconfigurable VCO / Mazzanti, Andrea; P., Uggetti; R., Battaglia; F., Svelto. - STAMPA. - (2004), pp. 37-40. (Intervento presentato al convegno IEEE International Conference on Electronics, Circuits, and Systems (ICECS) tenutosi a Tel Aviv nel Dicembre 2004).

Analysis and design of a dual band reconfigurable VCO

MAZZANTI, Andrea;
2004

Abstract

A systematic approach to the design of reconfigurable LC VCOs is proposed in this paper. The focus is on the choice of the reactive element of the tank most suited to switch the oscillation frequency. The optimum is the component that determines the tank Q. As an example, the design of a GSM900/1800 VCO in a 0.13 μm CMOS technology, switching a series inductor, is discussed. At this frequency, the tank Q is roughly the inductor Q, and series inductor switching allows area savings with respect to parallel switching.
2004
IEEE International Conference on Electronics, Circuits, and Systems (ICECS)
Tel Aviv
Dicembre 2004
37
40
Mazzanti, Andrea; P., Uggetti; R., Battaglia; F., Svelto
Analysis and design of a dual band reconfigurable VCO / Mazzanti, Andrea; P., Uggetti; R., Battaglia; F., Svelto. - STAMPA. - (2004), pp. 37-40. (Intervento presentato al convegno IEEE International Conference on Electronics, Circuits, and Systems (ICECS) tenutosi a Tel Aviv nel Dicembre 2004).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/606007
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