System and method for hybrid transmitter
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United States of America Patent
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Dec 13, 2022
Grant Date -
Sep 15, 2022
app pub date -
Dec 23, 2021
filing date -
Jun 18, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
According to one aspect of the present disclosure, there is provided a device that includes: a first quadrature modulator configured to receive an in-phase portion of a baseband signal and a quadrature portion of the baseband signal, and to produce a first portion of an output signal according to the in-phase and quadrature portions of the baseband signal; a second quadrature modulator configured to receive a first modified signal and a second modified signal, and to produce a second portion of the output signal according to the first and second modified signals; an output circuit configured to sum the first and second portions of the output signal, and to transmit the output signal to an antenna; and a mode selection circuit configured to turn on the first quadrature modulator, to receive a control signal, and to determine whether to turn on the second quadrature modulator according to the control signal.
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