Detecting circuit for intermission of input signal for optical agc amplifier
专利汇可以提供Detecting circuit for intermission of input signal for optical agc amplifier专利检索，专利查询，专利分析的服务。并且PURPOSE:To surely stop an output signal due to intermission of an input signal, by controlling a bias voltage of a photodetector with a resistor connected in series with a photodetector. CONSTITUTION:An optical input signal from an optical fiber 1 is converted into an electric signal with a photodetector 3 of a photodetector driving circuit 2 and inputted to a light emitting element driving circuit 12 via an equivalent amplifier 5 and a discrimination and reproducing circuit 9. An output of the amplifier 5 is detected at a peak detector 6 and drives the detector 3 having a resistor in series connection via a diffferential amplifier 7 and a DC high voltage conversion circuit 8. Since the peak detecting voltage is proportional to the input signal, a comparator 11 generates no output at a minimum input signal or below and the circuit 12 is inoperative and a light emitting element 13 is not illuminated.，下面是Detecting circuit for intermission of input signal for optical agc amplifier专利的具体信息内容。
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