Digital upconverter for radio frequency sampling transmitter

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United States of America Patent

PATENT NO 11171681
SERIAL NO

17072104

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Abstract

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A digital up-converter (DUC) includes conjugate-mixer-combiner. The conjugate-mixer-combiner includes a pre-combiner configured to generate combinations of a first in-phase (I) value to be transmitted at a first frequency of a first frequency band, a first quadrature (Q) value to be transmitted at the first frequency of a first frequency band, a second I value for to be transmitted at a second frequency of a second frequency band, and a second Q value to be transmitted at the second frequency of a second frequency band. The conjugate-mixer-combiner further includes a plurality of multipliers collectively configured to shift the combinations based on an average difference between the first frequency and the second frequency.

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  • AGILENT TECHNOLOGIES TEXAS INSTRUMENTS INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adepu, Harshavardhan Warangal, IN 4 9
Balakrishnan, Jaiganesh Bengaluru, IN 139 2039
Guntupalli, Yeswanth Guntur, IN 8 4
Lu, Wenjing Shanghai, CN 6 1
Murali, Sriram Bengaluru, IN 47 306
Sundar, Pooja Bengaluru, IN 10 14

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