Doherty architecture for wideband power amplifier design
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United States of America Patent
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May 8, 2018
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app pub date -
Jun 28, 2017
filing date -
Dec 30, 2016
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Abstract
Embodiments of a Doherty amplifier device are provided, where the device includes a main amplifier that produces a first RF signal with a variable first output power and a peaking amplifier that produces a second RF signal with a variable second output power equivalent to the first output power multiplied by a power ratio n greater than one; first and second RF signals combined in phase at a combining node; and a main output matching network (OMN), wherein the main OMN forms a portion of an equivalent main path transmission line having a characteristic impedance equivalent to
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