Apparatus and methods for envelope tracking

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12170505
APP PUB NO 20230412126A1
SERIAL NO

18240931

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Abstract

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Envelope tracking systems for power amplifiers are provided herein. In certain embodiments, an envelope tracker is provided for a power amplifier that amplifies a radio frequency (RF) signal. The envelope tracker controls a power amplifier supply voltage of the power amplifier based on an envelope signal indicating an envelope of the RF signal. The envelope tracker includes a first controllable resistance between a first regulated voltage and the power amplifier supply voltage and a second controllable resistance between a second regulated voltage and the power amplifier supply voltage. The first regulated voltage and the second regulated voltage are of different voltage levels.

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Patent Owner(s)

Patent OwnerAddress
SKYWORKS SOLUTIONS INCMASSACHUSETTS MASSACHUSETTS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Balteanu, Florinel G Irvine, US 128 4760
Drogi, Serge Francois Flagstaff, US 116 3282
Farahvash, Shayan Kensington, US 36 236
Khesbak, Sabah Irvine, US 61 2812
Pehlke, David Richard Westlake Village, US 171 1592

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