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A flexible, multimode radio transceiver for global system for mobile communications, enhanced data rates for global evolution, and wide-band code-division multiple access is presented. The receiver uses low-IF and direct-conversion concepts with an integrated notch filter to adapt to the different requirements. The polar transmitter includes several innovations to provide a flexible solution that...
Enabling factor for the success of future highly integrated multi-standard transceiver is reconfiguration and programmability. This is especially true for the radio frequency (RF) receiver front-end, where today a significant fraction of the power and area are consumed. After a brief overview of circuit requirements, this paper focuses on design of reconfigurable low-noise amplifiers (LNAs) and mixers...
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