POWER OSCILLATOR USING GaN POWER AMPLIFIER
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United States of America Patent
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Nov 21, 2019
app pub date -
Apr 19, 2019
filing date -
Apr 19, 2019
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Abstract
A power oscillator using a GaN power amplifier, includes: the GaN power amplifier configured of a gallium nitride (GaN) element to amplify and output power of an input signal; a directional coupler for providing part of an output signal of the GaN power amplifier as a feedback signal; a phase shifter for changing a phase of the feedback signal provided by the directional coupler; and a first isolator for adjusting impedance mismatching generated by the phase shifter and transferring the feedback signal to the GaN power amplifier.
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