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- m 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.
A 5.4mW GPS CMOS Quadrature Front-End Based on a Single-Stage LNA-Mixer-VCO / A., Liscidini; Mazzanti, Andrea; R., Tonietto; L., Vandi; P., Andreani; R., Castello. - STAMPA. - (2006), pp. 1892-1901. (Intervento presentato al convegno IEEE International Solid State Circuit Conference (ISSCC) Digest of Technical Papers tenutosi a San Francisco nel Febbraio 2006).
A 5.4mW GPS CMOS Quadrature Front-End Based on a Single-Stage LNA-Mixer-VCO
MAZZANTI, Andrea;
2006
Abstract
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- m 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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