Dtu, Technical University of Denmark

Jorge Seoane Gomez

Idelfonso Tafur Monroy

Methods and devices for detecting at least one first input signal superimposed on at least one second signal. The method comprises the steps of providing said at least one first input signal superimposed on at least one second signal to at least one half-wave rectifier; transforming, in said at least one half-wave rectifier, said at least one first input signal superimposed on at least one second signal into a half-wave rectified signal; providing said half-wave rectified signal to an envelope detector; and transforming, in said envelope detector, said half-wave rectified signal into an envelope signal and wherein the at least one half-wave rectifier comprises at least one optoelectronic device. In this way, a simpler and cheaper method and/or device are provided for e.g. detecting a transmitted information signal superimposed on a high frequency carrier signal.

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Hillerod, Denmark

Jorge Seoane Gomez