应用于PON突发模式的数字APC电路设计

Digital APC Circuit Design Applied to PON Burst Mode

设计了一种高性能的PON突发模式平均自动功率电路,该电路采用APC硬件逻辑电路控制,应用在突发模式和非突发模式下,解决了突发无效期间功率控制环问题,并稳定输出功率;采用四级快速启动算法,增加了突发模式下功率调节的速率和精度;解决了功率过度补偿的问题,其仿真满足ITU-T GPON的标准。

A high performance PON burst mode average automatic power circuit is designed. The circuit is controlled by APC hardware logic circuit. It is applied in burst mode and non-burst mode to solve the power control loop problem during burst invalid period and is stable. Output power;using four-stage fast-start algorithm, increasing the rate and accuracy of power regulation in burst mode;solving the problem of power over-compensation, the simulation meets the ITU-T GPON standard.