IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543

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A RF CMOS GNSS receiver with a passive mixer for GPS L1/Galileo E1/Compass B1 band
Yong WangBo GaoPeng LiXian NiRanran Zhou
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JOURNAL FREE ACCESS Advance online publication

Article ID: 15.20180551

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Abstract

This paper presents the design and implementation of a 180 nm CMOS reconfigurable global navigation satellite system receiver, supporting GPS L1, Galileo E1 and Compass B1 bands. The low-IF receiver incorporates a pseudo-differential low-noise amplifier, a double-balanced passive mixer, a pair of trans-impedance amplifiers, a complex band-pass filter, an analog-to-digital converter and an automatic gain control. A phase-locked loop is integrated to provide 25% duty-cycle quadrature clock signals. The RF front-end achieves a maximum gain of 107.2 dB with a dynamic range of 78 dB, a noise figure of 1.8 dB and an image rejection ratio of 39.1 dB.

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