Broadband power amplifier device and transmitter
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United States of America Patent
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Jun 27, 2023
Grant Date -
N/A
app pub date -
Dec 3, 2021
filing date -
Dec 3, 2021
priority date (Note) -
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Abstract
A broadband power amplifier device includes an input matching network including first, second and third inductors, a driver amplifier, and first, second and third frequency modulators. First inductor has one end connected to output of a mixer and the other end connected to one end of the first frequency modulator, with the other end of the first frequency modulator being grounded. The second inductor has one end connected to one end of first inductor and the other end connected to input of driver amplifier, with second frequency modulator being connected across second inductor. Third inductor has one end connected to output of driver amplifier and the other end connected to input of power amplifier, with third frequency modulator being connected across third inductor. Bandwidth of power amplifier device can be extended and area and current consumption thereof can be reduced, while power can be improved without large LO driver.
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