INTEGRATED MULTI-MODE BANDPASS SIGMA-DELTA RECEIVER SUBSYSTEM WITH INTERFERENCE MITIGATION AND METHOD OF USING SAME

An integrated sigma-delta radio frequency (RF) receiver subsystem (200) and method utilizes a multi-mode sigma-delta analog-to-digital converter (215) for providing a single and multi-bit output. A programmable decimation network (221) for reducing the frequency of the in-phase and quadrature bit st...

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Bibliographic Details
Main Authors CLARK, EDWARD, T, MARTIN, WILLIAM, J, GAILUS, PAUL, H, DOREVITCH, JOSHUA, E, TURNEY, WILLIAM, J, MANSFIELD, TERRY, K
Format Patent
LanguageEnglish
French
German
Published 16.08.2001
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary:An integrated sigma-delta radio frequency (RF) receiver subsystem (200) and method utilizes a multi-mode sigma-delta analog-to-digital converter (215) for providing a single and multi-bit output. A programmable decimation network (221) for reducing the frequency of the in-phase and quadrature bit stream and a programmable formatting network (223) are also used for organizing the in-phase and quadrature components from the decimation network (221) for subsequent signal processing. The invention offers a highly integrated digital/analog RF receiver back-end which incorporates integrated filtering and a smart gain control that is compatible for use with other receiver systems and offering superior performance characteristics.
Bibliography:Application Number: EP19990970816