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This paper presents at high speed and wideband direct receiver based on delta-sigma architecture. The effects of inter-symbol inference are discussed in this paper. In addition, a robust technique using a Decision Feedback Equalizer for multi-level (three bits) non-return-to-zero feedback Digital-to-Analog Converter in the receiver is also studied. This technique is proposed to reduce the dynamic...
The signs are clear: competition among handset makers is forcing them to replace today's multiplicity of ad hoc standard-specific modules and associated RF passive filters and duplexers by a highly integrated universal transceiver platform that connects directly to the antenna. This platform, with the ability to tune continuously from 80 MHz to 6 GHz, should support all 2G and 3G cellular standards...
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