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    • 5. 发明授权
    • Circuit for converting a transponder controller chip output into an appropriate input signal for a host device
    • 用于将应答器控制器芯片输出转换成用于主机设备的适当输入信号的电路
    • US07978800B2
    • 2011-07-12
    • US10678685
    • 2003-10-03
    • Darin J. DoumaRudolf J. HofmeisterStephen Nelson
    • Darin J. DoumaRudolf J. HofmeisterStephen Nelson
    • H03D3/24H04L7/02H03L7/00
    • H04L7/033H04L7/0083H04L7/10
    • A translation circuit for mediating between a fiber-optic controller chip and a host device. The translation circuit may be on a fiber-optic transponder. The controller chip includes a phase locked loop that outputs a short synchronization signal when a hunting frequency passes through a target data signal frequency while hunting for a data signal and outputs a synchronization signal when the phase locked loop is locked onto a data signal. The translation circuit distinguishes between the synchronization signals and generates a lock signal when the phase locked loop is locked onto a data signal, but does not when the hunting frequency passes through the target data signal frequency. The lock signal may be used by a host device into which the fiber-optic transponder has been in installed. Errors from misinterpreted signals can thus be mitigated.
    • 用于在光纤控制器芯片和主机设备之间进行中介的转换电路。 翻译电路可以在光纤转发器上。 控制器芯片包括一个锁相环,当寻线频率通过目标数据信号频率同时寻找数据信号时,输出一个短同步信号,并且当锁相环锁定在数据信号上时,输出同步信号。 平移电路区分同步信号,并且当锁相环被锁定在数据信号上时产生锁定信号,但是当寻呼频率通过目标数据信号频率时不会产生锁定信号。 锁定信号可以由安装有光纤转发器的主机设备使用。 因此可以减轻误解信号的错误。