CIRCUIT ARRANGEMENT AND METHOD FOR RECEIVING OPTICAL SIGNALS
    1.
    发明申请
    CIRCUIT ARRANGEMENT AND METHOD FOR RECEIVING OPTICAL SIGNALS 审中-公开
    电路布置和接收光信号的方法

    公开(公告)号:WO2014177665A1

    公开(公告)日:2014-11-06

    申请号:PCT/EP2014/058937

    申请日:2014-04-30

    Abstract: Circuit arrangement (CR; CR') for receiving multilevel optical signals (SI) from at least one optical guide (GU), said multilevel signals resulting from superposing a high speed data signal and a low speed data signal, said circuit arrangement (CR; CR') comprising: • - at least one light-receiving component (PD) for converting the optical signals (SI) into electrical current signals (Ipp), • - at least one transimpedance amplifier (TA), being provided with the electrical current signals (I pp) from the light-receiving component (PD), • - at least one automatic gain controller (AG) for controlling the gain or transimpedance (R) of the transimpedance amplifier (TA), in particular in order to keep the amplitude of the output (V out- data-analog) of the transimpedance amplifier (TA) to a desired, for example constant, level for different levels of the electrical current signals (I PD), • - at least one integrator (IN) in a feedback path (FP), said integrator (IN) generating a control signal (Vint), • - at least one voltage-controlled current source (CS), being provided with the control signal (V jnt) from the integrator (IN), • - at least one limiter (LI) acting as a comparator and generating in its output a logic level for positive or negative voltages in its input, • - at least one second transimpedance amplifier (TA2) arranged in parallel to the transimpedance amplifier (TA), and • - at least one automatic offset controller (AO) for setting the voltage (Voffset) for the second transimpedance amplifier (TA2).

    Abstract translation: 用于从至少一个光导(GU)接收多电平光信号(SI)的电路布置(CR; CR'),所述多电平信号由叠加高速数据信号和低速数据信号而产生,所述电路装置(CR; CR')包括: - 至少一个用于将光信号(SI)转换成电流信号(Ipp)的光接收部件(PD), - 至少一个跨阻抗放大器(TA),其被提供有电流 来自光接收部件(PD)的信号(I pp),•至少一个用于控制跨阻抗放大器(TA)的增益或跨阻抗(R)的自动增益控制器(AG),特别是为了保持 跨电平放大器(TA)的输出(V out-data-analog)的振幅为不同电平电流信号(I PD)的期望的例如恒定电平, - 至少一个积分器(IN) 在反馈路径(FP)中,所述积分器(IN)产生对照 (Vint), - 至少一个压控电流源(CS),其被提供有来自积分器(IN)的控制信号(V jnt); - 至少一个用作比较器的限幅器(LI) 在其输出端产生正电压或负电压的逻辑电平; - 至少一个平行于跨阻抗放大器(TA)布置的第二跨阻抗放大器(TA2);以及 - 至少一个自动偏移控制器(AO ),用于设置第二跨阻抗放大器(TA2)的电压(Voffset)。

    CIRCUIT ARRANGEMENT AND METHOD FOR RECEIVING OPTICAL SIGNALS
    2.
    发明申请
    CIRCUIT ARRANGEMENT AND METHOD FOR RECEIVING OPTICAL SIGNALS 审中-公开
    电路布置和接收光信号的方法

    公开(公告)号:WO2014177665A8

    公开(公告)日:2015-06-11

    申请号:PCT/EP2014058937

    申请日:2014-04-30

    Abstract: Circuit arrangement (CR; CR') for receiving multilevel optical signals (SI) from at least one optical guide (GU), said multilevel signals resulting from superposing a high speed data signal and a low speed data signal, said circuit arrangement (CR; CR') comprising: • - at least one light-receiving component (PD) for converting the optical signals (SI) into electrical current signals (Ipp), • - at least one transimpedance amplifier (TA), being provided with the electrical current signals (I pp) from the light-receiving component (PD), • - at least one automatic gain controller (AG) for controlling the gain or transimpedance (R) of the transimpedance amplifier (TA), in particular in order to keep the amplitude of the output (V out- data-analog) of the transimpedance amplifier (TA) to a desired, for example constant, level for different levels of the electrical current signals (I PD), • - at least one integrator (IN) in a feedback path (FP), said integrator (IN) generating a control signal (Vint), • - at least one voltage-controlled current source (CS), being provided with the control signal (V int) from the integrator (IN), • - at least one limiter (LI) acting as a comparator and generating in its output a logic level for positive or negative voltages in its input, • - at least one second transimpedance amplifier (TA2) arranged in parallel to the transimpedance amplifier (TA), and • - at least one automatic offset controller (AO) for setting the voltage (Voffset) for the second transimpedance amplifier (TA2).

    Abstract translation: 用于从至少一个光导(GU)接收多电平光信号(SI)的电路装置(CR; CR'),由叠加高速数据信号和低速数据信号而产生的所述多电平信号,所述电路装置(CR; CR' CR')包括: - 至少一个用于将光信号(SI)转换成电流信号(Ipp)的光接收部件(PD), - 至少一个跨阻抗放大器(TA),其被提供有电流 来自光接收部件(PD)的信号(I pp), - 至少一个用于控制跨阻抗放大器(TA)的增益或跨阻抗(R)的自动增益控制器(AG),特别是为了保持 跨电阻放大器(TA)的输出(V out-data-analog)的振幅为不同电平电流信号(I PD)的期望的例如恒定电平, - 至少一个积分器(IN) 在反馈路径(FP)中,所述积分器(IN)产生对照 (Vint), - 至少一个压控电流源(CS),其被提供有来自积分器(IN)的控制信号(V int); - 至少一个用作比较器的限幅器(LI) 在其输出端产生正电压或负电压的逻辑电平; - 至少一个平行于跨阻抗放大器(TA)布置的第二跨阻抗放大器(TA2);以及 - 至少一个自动偏移控制器(AO )用于设定第二跨阻抗放大器(TA2)的电压(Voffset)。

    バースト光受信器、バースト光受信器のAPDのバイアス電圧制御方法
    4.
    发明申请
    バースト光受信器、バースト光受信器のAPDのバイアス電圧制御方法 审中-公开
    BURST模式接收器,以及BURST模式接收器APD的偏置电压控制方法

    公开(公告)号:WO2014128986A1

    公开(公告)日:2014-08-28

    申请号:PCT/JP2013/065037

    申请日:2013-05-30

    Abstract:  異なる強度を持つバースト光信号を逆方向接続されたAPDで受信するバースト光受信器であって、電源とAPDの間に直列に接続されたカレントミラー回路から出力されたAPDでの光電流を光電流に比例した電圧として出力する電流検出回路と、電流検出回路の出力電圧のピーク値を検波保持するピーク検波回路と、カレントミラー回路とAPDの間に挿入されAPDに直列に直列抵抗を切り換えて接続する抵抗接続切換回路と、ピーク検波回路の検波電圧が所定の閾値以上の場合に、抵抗接続切換回路を、APDに直列抵抗を直列に接続するように切換える切換信号を出力するコンパレータを含む。

    Abstract translation: 提供了一种突发模式接收机,其通过反向连接的APD接收具有不同强度的突发模式信号,所述突发模式接收机包括:电流检测电路,其输出从电流镜像电路输出的APD处的光电流, 在电源和APD之间串联连接作为与光电流正比的电压; 峰值检测电路,检测并保持电流检测电路的输出电压的峰值; 电阻器连接开关电路,其插入在电流镜电路和APD之间,并且串联电阻器与APD串联连接; 以及比较器,如果峰值检测器电路的检测电压大于或等于预定阈值,则输出用于切换电阻器连接开关电路的开关信号,使得串联电阻器串联连接到APD。

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