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    • 9. 发明授权
    • Optical receiver based on a decision feedback equalizer
    • 基于判决反馈均衡器的光接收机
    • US08953952B2
    • 2015-02-10
    • US13596755
    • 2012-08-28
    • Jonathan E. PoeselAlexander V. RylyakovClint L. SchowYurii A. Vlasov
    • Jonathan E. PoeselAlexander V. RylyakovClint L. SchowYurii A. Vlasov
    • H04B10/06H03F3/08H04B10/69H04L25/03
    • H03F3/08H04B10/6971H04L25/03057
    • An optical receiver, a method of operating an optical receiver, a correction based transimpedance amplifier circuit, and a method of adjusting an output of a transimpedance amplifier. In one embodiment, the optical receiver comprises an optical-to-electrical converter, a transimpedance amplifier, and a correction circuit. The optical-to-electrical converter is provided for receiving an optical signal and converting the optical signal to an electrical signal. The transimpedance amplifier is provided for receiving the electrical signal from the converter and for generating from the electrical signal an amplified electrical signal. The amplified electrical signal has inter symbol interference resulting from a reduced bandwidth of the transimpedance amplifier. The correction circuit is provided for receiving the electrical signal from the amplifier and for generating, from the electrical signal, an output signal including corrections for the inter symbol interference in the amplified electrical signal effectively increasing a bandwidth of the optical receiver.
    • 光接收器,操作光接收器的方法,基于校正的跨阻抗放大器电路以及调制跨阻放大器的输出的方法。 在一个实施例中,光接收器包括光电转换器,跨阻放大器和校正电路。 光 - 电转换器用于接收光信号并将光信号转换成电信号。 跨阻放大器被提供用于从转换器接收电信号并且从电信号产生放大的电信号。 放大的电信号具有由跨阻放大器的减少的带宽导致的码间干扰。 该校正电路用于接收来自放大器的电信号,并且用于从电信号产生包括用于放大的电信号中的符号间干扰的校正的输出信号,从而有效地增加光接收器的带宽。