A configurable Compass/GPS multiband RF receiver

A configurable Compass/GPS multiband GNSS RF receiver with wide bandwidth in a heterodyne radio topology is implemented in a 0.35μm SiGe BiCMOS process. By programming the synthesizer to generate different local oscillator (LO) signals, the proposed receiver downconverts GNSS signals in L1/B1/B2/B3...

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Hauptverfasser: Zhong Zhang, Weimin Li, Wu Wen, Xunping Hou, Dianwei Zhang
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creator Zhong Zhang
Weimin Li
Wu Wen
Xunping Hou
Dianwei Zhang
description A configurable Compass/GPS multiband GNSS RF receiver with wide bandwidth in a heterodyne radio topology is implemented in a 0.35μm SiGe BiCMOS process. By programming the synthesizer to generate different local oscillator (LO) signals, the proposed receiver downconverts GNSS signals in L1/B1/B2/B3 bands to an identical intermediate frequency (IF) of 46MHz. An automatic gain control (AGC) loop is adopted to improve the noise and anti-interference performance. The receiver achieves a total noise figure of less than 3.5dB and a maximum voltage gain of 112dB with 70dB dynamic range while consuming 32mA current from a 3.3V supply, with a die area of 3.5×3.8mm 2 including ESD protection pads.
doi_str_mv 10.1109/IEEE-IWS.2013.6616833
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects AGC
Compass
Global Navigation Satellite Systems
Global Positioning System
GPS
Radio frequency
Receivers
RF receiver
Synthesizer
Voltage-controlled oscillators
Wideband
title A configurable Compass/GPS multiband RF receiver
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