Dual mode digital filters for RF sampling transceivers

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United States of America Patent

PATENT NO 11581873
APP PUB NO 20220231667A1
SERIAL NO

17463317

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Abstract

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Dual mode filters having two reconfigurable multi-stage filters. In a dual band mode, each reconfigurable filter filters an input signal in a different band using every filter stage. In a single band mode, both reconfigurable filters are effectively divided into two sub-chains that include either the odd-numbered filter stages or the even-numbered filter stages. Together, the four sub-chains in the single band mode filter an input signal in a single band with a higher parallelization than each reconfigurable filter in the dual band mode. In some embodiments, the dual mode filter is a decimation filter. In other embodiments, the dual mode filter is a resampling filter. In still other embodiments, the dual mode filter is an interpolation filter.

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Patent Owner(s)

  • AGILENT TECHNOLOGIES TEXAS INSTRUMENTS INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Balakrishnan, Jaiganesh Bengaluru, IN 139 2045
Gudipati, Kalyan Bengaluru, IN 3 0
Gunturi, Sarma Sundareswara Bengaluru, IN 33 29
Murali, Sriram Bengaluru, IN 47 309
Pothapu, Venkateshwara Reddy Bengaluru, IN 3 0

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