NDLI: A 2.4 GHz direct conversion transmitter for Wimax applications

Content Provider	IEEE Xplore Digital Library
Author	Masse, C.
Copyright Year	2006
Description	Author affiliation: Analog Devices Inc., Wilmington, MA (Masse, C.)
Abstract	The evolving 802.16 WiMax and WiBro standards offer the possibility of high data rate wireless access for home and business users. The first generation systems are currently being designed and deployed in the licensed frequency bands centered around 2.5GHz and 3.5GHz. The use of high data rate OFDM modulations translates into challenging requirements for the transmitter in terms of spectral quality and EVM. In particular, this calls for low distortion, good signal balance and low phase error. This article focuses on the challenges and advantages associated with implementing a direct conversion transmitter in the Wibro band centered at 2.35GHz. A complete mixed signal implementation that includes a dual DAC, IQ modulator, LO synthesizer, variable gain amplifier and RF power detector is presented along with system-level measured results
Sponsorship	THE IEEE MICROWAVE THEORY AND TECHNIQUES SOC. THE IEEE ELECTRON DEVICES SOC. THE IEEE SOLID STATE CIRCUITS SOC
Starting Page	4
Ending Page	404
File Size	134635
Page Count	401
File Format	PDF
ISBN	0780395727
DOI	10.1109/RFIC.2006.1651176
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transmitters WiMAX OFDM modulation Phase distortion RF signals Synthesizers Gain Power amplifiers Radiofrequency amplifiers Radio frequency
Content Type	Text
Resource Type	Article

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