Fast, low-power receive signal strength indicator (RSSI) circuit and method therefor

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12199686
APP PUB NO 20230053626A1
SERIAL NO

17657540

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Abstract

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A receive signal strength indicator circuit includes a low-noise amplifier, an envelope detector, and a selection circuit. The low-noise amplifier has a plurality of serially-coupled amplifier stages each providing an amplified signal, wherein a first amplifier stage receives an input signal whose signal strength is to be measured, and a last amplifier stage provides an amplified output signal. The envelope detector stage includes a plurality of envelope detector circuits, each having an input receiving the amplified signal of a corresponding one of the plurality of serially-coupled amplifier stages, and an output for providing a receive signal strength indicator component. The selection circuit is coupled to the outputs of the plurality of envelope detector circuits, and provides the receive signal strength indicator component of one of the plurality of envelope detector circuits having a desired linear range as a detected RSSI signal.

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Patent Owner(s)

Patent OwnerAddress
SEMICONDUCTOR COMPONENTS INDUSTRIES LLC5701 N PIMA ROAD ATTN IP LEGAL DEPT SCOTTSDALE AS 85250

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heubi, Alexander La Chaux-de-Fonds, CH 18 51
Kazanc, Onur Boudry, CH 4 26
Senouci, Noureddine Le Landeron, CH 7 29

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