Broadband high efficiency amplifier system and a method of constructing high power amplitude modulated RF signal

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United States of America Patent

PATENT NO 9219444
APP PUB NO 20150303875A1
SERIAL NO

13565119

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Abstract

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A broadband high efficiency (RF) radio frequency amplifier architecture is disclosed. Systems and methods are provided for generating an amplified radio frequency (RF) signal representing a baseband input signal. First, second, and third signal paths are configured to amplify first, second, and third intermediate signals to provide respective amplified signals. A signal combiner assembly is configured to combine the amplified signals to produce the compound amplified RF signal. The signals are combined such that a first amplified signal modulates a load impedance at respective outputs of an active device associated with the plurality of amplifiers in the second signal path, and one of the first amplified signal, the second amplified signal, and a sum of the first and second amplified signals modulates a load impedance of an active device associated with the plurality of amplifiers in the third signal path.

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Patent Owner(s)

Patent OwnerAddress
BROADCAST LENDCO LLC AS SUCCESSOR AGENT6260 LOOKOUT DRIVE BOULDER CO 80301

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Borodulin, Dmitri South Lebanon, US 10 89
Cabrera, George Mason, US 19 299

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