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Single-Stage Low-Power Quadrature RF Receiver Front-End: The LMV Cell

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6 Author(s)
Liscidini, A. ; Laboratorio di Microelettronica, Universita degli Studi di Pavia ; Mazzanti, A. ; Tonietto, R. ; Vandi, L.
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This paper presents the first quadrature RF receiver front-end where, in a single stage, low-noise amplifier (LNA), mixer and voltage-controlled oscillator (VCO) share the same bias current. The new structure exploits the intrinsic mixing functionality of a classical LC tank oscillator providing a compact and low-power solution compatible with low-voltage technologies. A 0.13-mum CMOS prototype tailored to the GPS application is presented. The experimental results exhibit a noise figure of 4.8 dB, a gain of 36 dB, an IIP3 of -19 dBm with a total power consumption of only 5.4 mW from a voltage supply of 1.2 V

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Solid-State Circuits, IEEE Journal of  (Volume:41 ,  Issue: 12 )