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A 3.1-8.0 GHz MB-OFDM UWB transceiver in 0.18 mu m CMOS

Authors Zheng, Hui
Lou, Shuzuo HKUST affiliated (currently or previously)
Lu, Dongtian
Shen, Cheng HKUST affiliated (currently or previously)
Chan, Tatfu
Luong, Howard C. View this author's profile
Issue Date 2007
Source Proceedings of the IEEE 2007 Custom Integrated Circuits Conference , 2007, article number 4405816, p. 651-654
Summary This paper presents a complete CMOS dual-conversion zero-IF2 transceiver for 9-band MB-OFDM UWB systems from 3.1 to 8.0 GHz. The transceiver integrates all building blocks including a variable-gain wideband LNA, a single mixer for both RF down and up conversions in RX and TX, a fast-settling frequency synthesizer, and IQ ADCs and DACs. Fabricated in a standard 0.18-mu m CMOS process, the receiver measures maximum S11 of -13dB, maximum NF of 8.25 dB, in-band IIP3 of better than -13.7 dBm, and variable gain from 25.3 to 84.0 dB. IQ path gain and phase mismatch of the receiver chain are measured to be 0.8 dB band 4 degrees respectively. The transmitter achieves a minimum output P-1dB of -8.2 dBm, sideband rejection of better than 42.2 dBc, and LO leakage of smaller than -46.5 dBc.
ISSN 0886-5930
ISBN 9781424407866
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Language English
Format Conference paper
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