Patent ID: 7068951

Claim:
An optical signal receiver comprising: a transimpedance amplifier having a voltage supply, a ground, an analog input, a data output providing a data output signal, and a data bar output providing a data bar output signal; a photo detecting element having a first terminal coupled to said analog input of said transimpedance amplifier, and a second terminal providing an RPM output signal, said data bar output being coupled to said second terminal of said photodiode whereby said data bar output signal and said RPM output signal are superimposed; a current sense circuit coupled to said superimposed RPM and data bar output signals and configured to extract said RPM data signal from said superimposed RPM and data bar output signals to thereby provide a RPM output signal; and a filter coupled to said superimposed RPM and data bar output signals and configured to block said RPM signal from said superimposed data bar and RPM signals to thereby provide a data bar output signal.