NDLI: A 3–5GHz frequency tunable ultra wideband LNA for OFDM applications

Content Provider	IEEE Xplore Digital Library
Author	Fei Gong Kin Fung Lam Ismail, M. Seok-Bae Park DeGroat, J.
Copyright Year	2009
Description	Author affiliation: Department of Electrical and Computer Engineering, The Ohio State university, Columbus, 43210, USA (Fei Gong; Kin Fung Lam; Ismail, M.; Seok-Bae Park; DeGroat, J.)
Abstract	In this paper, a frequency tunable differential input differential output Low Noise Amplifier (LNA), used for 3–5GHz OFDM applications, is proposed and analyzed. The LNA has a wideband input matching and a tunable output matching. The digital controlled capacitor arrays in the output matching networks allow the LNA to be switched smoothly in the frequency range of 3 to 5GHz with output return loss less than −15dB. The overall LNA is designed with TSMC 0.18 µm technology, and the simulation result shows that the input return loss is less than −12dB and the noise figure is less than 4.5dB in desired frequency range. At 3.3V power supply, the LNA achieves an 8–12dB transducer gain in the frequency range with the power consumption of only 20mW.
Starting Page	1018
Ending Page	1021
File Size	769232
Page Count	4
File Format	PDF
ISBN	9781424444793
ISSN	15483746
DOI	10.1109/MWSCAS.2009.5235974
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-02
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultra wideband technology OFDM Impedance matching Broadband amplifiers Differential amplifiers Low-noise amplifiers Digital control Switched capacitor networks Noise figure Power supplies
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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