Amplification interface, and corresponding measurement system and method for operating an amplification interface

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United States of America Patent

PATENT NO 11817838
APP PUB NO 20220302890A1
SERIAL NO

17687079

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An electronic amplification-interface circuit includes a differential-current reading circuit having a first input terminal and a second input terminal. The differential-current reading circuit includes a continuous-time sigma-delta conversion circuit formed by an integrator-and-adder module generating an output signal that is coupled to an input of a multilevel-quantizer circuit configured to output a multilevel quantized signal. The integrator-and-adder module includes a differential current-integrator circuit configured to output a voltage proportional to an integral of a difference between currents received at the first and second input terminals. A digital-to-analog converter, driven by a respective reference current, receives and converts the multilevel quantized signal into a differential analog feedback signal. The integrator-and-adder module adds the differential analog feedback signal to the differential signal formed at the first and second input terminals.

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Patent Owner(s)

  • STMICROELECTRONICS S.R.L.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ippolito, Calogero Marco Aci Castello, IT 21 68
Vaiana, Michele San Giovanni la Punta, IT 28 126

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