Importance

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Abstract

This analog electronic circuit (2) for processing a light signal (4), of the type comprising:

a photodetector (6) adapted for producing an electric signal (8) from the light signal (4);a multiplier (12) adapted for multiplying the electric signal (8) with a reference signal (14) for obtaining a multiplied signal (16); andan integrator (18) adapted for integrating the multiplied signal (16) over at least one time interval, in order to obtain one integrated signal,is characterized in that it further comprises:an analog memory (24) adapted for storing the integrated signal in memory; anda computing unit adapted for estimating a time correlation of the light signal (4) from the integrated signal stored in memory.

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First Claim