Current mode multi-input maximum signal detector

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12244270
APP PUB NO 20230231521A1
SERIAL NO

17576306

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Abstract

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A maximum current detection circuit with multiple input current ports and a maximum current port generates, on the maximum current port, a maximum current corresponding to the largest input current on one of the input current ports. The maximum current detection circuit includes multiple current mirror circuits, each controlled by one of the input currents. Each of the current mirror circuits includes outputs, each coupled to a respective one of the input current ports and the maximum current port. The current mirror circuit controlled by the largest input current becomes the dominant source for the input currents on each of the input current ports and also drives the maximum current on the maximum current port. The input currents may be single-ended or differential signals. The input currents may be respectively delayed signals of a windowing circuit in an envelope tracking circuit controlling a power amplifier of a wireless device.

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Patent Owner(s)

  • QORVO US, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Granger-Jones, Marcus Scotts Valley, US 137 2740

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