Multi-mode power amplifier apparatus

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12191814
APP PUB NO 20220302879A1
SERIAL NO

17637056

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Abstract

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An envelope tracking (ET) power amplifier apparatus is provided. The multi-mode power amplifier apparatus includes a pair of power amplifiers configured to amplify a radio frequency (RF) signal(s) and an output circuit that outputs the amplified RF signal(s) to a signal output(s). In examples disclosed herein, a control circuit can cause the multi-mode power amplifier apparatus to operate in different power management modes by changing a load impedance coupled to the signal output(s). In a non-limiting example, the control circuit can change a power management mode of the multi-mode power amplifier apparatus based on modulation bandwidth of the RF signal(s). As a result, the multi-mode power amplifier apparatus can operate across a wide range of modulation bandwidth without compromising efficiency and performance.

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Patent Owner(s)

Patent OwnerAddress
QORVO US INC7628 THORNDIKE ROAD GREENSBORO NC 27409

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Khlat, Nadim Cugnaux, FR 547 12808

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