The lamp dimming can be done through this feedback loop or, by setting the reference DC level of the input of error amplifier.
灯管的亮度能够通过反馈回路，或者设置误差放大器输入端的参考端直流电平来调整。
Preferably, both electrodes operate on a DC or AC power supply, preferably a battery, while the discharge lamp operates in the second mode of operation.
优选地，两个电极在DC或AC电源下运行，优选为在电池下运行，同时放电灯运行在第二操作模式。
Presents a constant current white LED driver for mining DC switching power supply to the mine under the DC power supply locomotives and miner's lamp.
提出了一种以恒定电流驱动白光led的矿用直流开关电源，给矿井下的直流电机车和矿灯供电。
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