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    • 87. 发明公开
    • 프로그램가능 신호 손실 검출 하드웨어와 그 방법
    • 信号检测硬件和方法可编程丢失
    • KR1020070104572A
    • 2007-10-26
    • KR1020077017435
    • 2005-12-29
    • 피니사 코포레이숀
    • 스튜어트제임스호안토니호스킹루시
    • H04B10/07H04B10/00
    • H04B10/07955
    • A loss of signal assert and de-assert level programming mechanism in an optical transceiver coupled to a host computing system. A control module is connected to the host so as to receive the programmable loss of signal level. A post-amplifier detects when the receive power drops below a loss of signal level. However, in this case, instead of the loss of signal level being static, a loss of signal level adjustment mechanism changes the loss of signal level detected by the post-amplifier as directed by the programmable loss of signal level received from the host. The loss of signal assert and de-assert levels may be calibrated by comparing receive power to the threshold for assertion and de-assertion of the loss of signal.
    • 在耦合到主机计算系统的光收发器中丢失信号断言和解除等级编程机制。 控制模块连接到主机以便接收可编程的信号电平损失。 后置放大器检测接收功率何时下降到低于信号电平的损失。 然而,在这种情况下,代替信号电平的损失是静态的,信号电平调节机构的损失根据从主机接收的信号电平的可编程丢失的指示改变后置放大器检测到的信号电平的损失。 可以通过将接收功率与阈值进行比较来校准信号断言和解除电平的损失,以断言和取消断言信号的丢失。