Integrated multi-channel RF circuit with phase sensing

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United States of America Patent

PATENT NO 11837797
SERIAL NO

17412694

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Abstract

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A circuit includes a radio frequency (RF) channel including an input node and an output node and being configured to receive an RF oscillator signal at the input node and to provide an RF output signal at the output node; a mixer configured to mix an RF reference signal and an RF test signal representative of the RF output signal to generate a mixer output signal; an analog-to-digital converter configured to sample the mixer output signal in order to provide a sequence of sampled values; and a control circuit configured to provide a sequence of phase offsets by phase-shifting at least one of the RF test signal and the RF reference signal using one or more phase shifters, calculate a spectral value from the sequence of sampled values; and calculate estimated phase information indicating a phase of the RF output signal based on the spectral value.

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Patent Owner(s)

Patent OwnerAddress
INFINEON TECHNOLOGIES AGCAMPBELL 1-15 NAUBIBERG GERMANY NEUBIBERG BAVARIA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Christoffers, Niels Vienna, AT 13 72
Fiore, Vincenzo Linz, AT 16 64
Gstoettenbauer, Bernhard Engerwitzdorf, AT 18 46
Kollmann, Helmut Linz, AT 14 48
Melzer, Alexander Neutillmitsch, AT 40 218
Onic, Alexander Linz, AT 15 98
Schrattenecker, Jochen O Reichenthal, AT 21 88
Stuhlberger, Rainer Puchenau, AT 22 161
Zinnoecker, Mathias Linz, AT 6 22

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