The modulation is driven by the bias current below the threshold.
调制时的偏置电流低于阈值。
Efficiency of rectifier module has relationship with its output current. Power supply works in low efficiency condition because output current below rated current far away.
直流开关电源整流模块效率与输出电流存在直接相关性，目前电源正常工作时模块输出电流远低于额定电流，处于低效率区间。
Efficiency of rectifier module has relationship with its output current. Power supply works in low efficiency condition because output current below rated current far away.
直流开关电源整流模块效率与输出电流存在直接相关性，目前电源正常工作时模块输出电流远低于额定电流，处于低效率区间。
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