Transmitter circuit
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United States of America Patent
Stats
-
Oct 8, 2024
Grant Date -
Dec 28, 2023
app pub date -
Jun 22, 2020
filing date -
Jun 22, 2020
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A transmitter circuit has a signal input for receiving an analog input signal and a local oscillator (LO) input for receiving an LO signal. A mixer circuit has a first input, a second input, and an output. The second input of the mixer circuit is connected to a signal input of the transmitter circuit. A PA circuit has an input connected to the output of the mixer circuit, and an output. A control circuit generates a phase-control signal and a gain-control signal in response to an envelope of the analog input signal. A phase-control circuit generates a phase-adjusted LO signal in response to the LO signal and the phase-control signal and supplies the phase-adjusted LO signal to the first input of the mixer circuit. A gain-control circuit controls a gain of the transmitter circuit in response to the gain-control signal.
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