To maintain the constant average optical power and extiction ratio, the temperature compensation loop and automatic power control loop are incorporated in this chip.
为了保持工作中的稳定平均输出功率和恒定消光比，采用了温度补偿电路和自动功率控制电路。
But to perfect the system performance, some accessorial circuits are necessary, such as automatic power control circuit, automatic temperature control circuit and protective circuit etc.
为了完善通信系统的性能，除了主干电路外，还必须加入一些附加电路，如自动功率控制电路、自动温度控制电路和保护电路等等。
The APC (Automatic Power Control) of semiconductor lasers is an important issue in the practical fiber communication.
半导体激光器的自动功率控制(APC)是光纤通信实用化过程中提出来的重要课题之一。
The APC (Automatic Power Control) of semiconductor lasers is an important issue in the practical fiber communication.
半导体激光器的自动功率控制(APC)是光纤通信实用化过程中提出来的重要课题之一。
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