NDLI: Time-Domain Analog Front-End for UWB WLAN Transform-Domain Receiver

Content Provider	IEEE Xplore Digital Library
Author	Zebdi, M. Massicotte, D.
Copyright Year	2008
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Univ. du Quebec a Trois-Rivieres, Trois-Rivieres, QC (Zebdi, M.; Massicotte, D.)
Abstract	This paper addresses the problem of the time-domain direct-sequence front-end for transform-domain ultra-wideband (UWB) wireless local area network (WLAN) receiver. The proposed architecture comprises a single-ended voltage-voltage dynamic feedback low-noise amplifier (LNA), quadrature mixer, and baseband filter. The dynamic feedback with inductive output load reduces the LNA to a simple second-order filter, with zero at the origin, while improving the conversion gain (CG), noise figure (NF). Thus, the CG is further maximized when limiting the two poles within the 5-6 GHz frequency band. The mixer, based on a merged quadrature topology, employs single-peak notch network, with benefits to the CG, NF, and IIP3. The front-end, drawing 10, 9 mA form 1.8 v, achieves at 5.6 GHz 34.8 dB conversion gain, 12.1 dB noise figure, and 1-dB gain desensitization with -8 dBm interferer power at 7 GHz. Other simulation results are -2.35 dBm minimum IIIP3, and -35 dBc rejection at the UWB groups #1 and #3.
Starting Page	627
Ending Page	632
File Size	5175963
Page Count	6
File Format	PDF
ISBN	9781424438211
DOI	10.1109/CJMW.2008.4772509
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-10
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Shanghai Univ.
Subject Keyword	Wireless LAN Noise figure low-power Time domain analysis RFIC Noise measurement ultra-wideband (UWB) Mixers Transform-domain receiver Filters Feedback Character generation Voltage mixer wireless LAN front-end Ultra wideband technology low-noise amplifier
Content Type	Text
Resource Type	Article

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