TRANSIMPEDANCE AMPLIFIERS

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20240356504A1
SERIAL NO

18303331

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This application relates to transimpedance amplifiers (TIAs), in particular to TIAs with wideband feedback. The TIA has an input stage, for receiving an input current and outputting a corresponding output voltage, with a first transistor configured as an input transistor in a first circuit branch. A reference controller is configured to provide a reference voltage with a value equal to a DC value of the output voltage and a voltage regulator is configured to receive a supply voltage and generate a regulated voltage with a voltage offset to the reference voltage, such that the voltage offset does not substantially vary with variation in at least one of the supply voltage, temperature and process variations. The regulated voltage is supplied as a supply voltage to the input stage. The TIA also includes control circuitry for controlling an effective transconductance of the first transistor to a defined value.

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Patent Owner(s)

Patent OwnerAddress
SEMTECH CORPCALIFORNIA USA CALIFORNIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
BORN, Christopher John Bristol, GB 2 0
FARZANEH, Behzad London, GB 4 0
HAGMAN, Matthew George Gatineau, CA 3 0

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