Wireless signal processing circuit and wireless device
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United States of America Patent
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Mar 5, 2024
Grant Date -
Oct 27, 2022
app pub date -
Feb 10, 2022
filing date -
Feb 10, 2022
priority date (Note) -
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Abstract
A wireless signal processing circuit includes plural phase switchers, plural variable amplifiers and plural mixers. The plural phase switchers are provided on each of plural paths along which all in-phase signal and a quadrature signal are distributed. The plural phase switchers rotate the phases of the signals by signal phase rotation amounts according to a transmission direction of a transmission signal. The plural variable amplifiers alter amplitudes of input signals or output signals of the corresponding phase switchers in accordance with the transmission direction of the transmission signal. The plural mixers up-convert frequencies of the signals processed by the corresponding phase switchers and variable amplifiers.
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