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。
This paper proposed a design of emergency lighting in which the economical fluorescent lamp is used. The electronic circuit of emergency lamp which supplies DC power is given.
提出一种采用节能型荧光灯的应急照明设计方案，并给出了相应的直流供电线路。
Special use of a special lamp light to lure mosquitoes, flies, mosquitoes and other insects into the light and then to humans and animals by high-voltage DC without the tag.
利用特殊灯管之特殊光引诱蚊子，苍蝇等昆虫进入灭蚊灯内，然后由对人畜没有的直流高压触杀之。
LED light-bulbs (patent number:)5, DC 12 V and 24 V LED flat light-emitting lamp panel solar PV system is the preferred source.
LED调光灯泡（专利号：）5，直流12伏和24伏的LED平面发光灯盘是太阳能光伏发电系统的首选光源。
The AC/DC mosquito-killing emergent lamp having functions of mosquito-killing and illuminating can be used anywhere without water.
可移动 到任何不被雨淋到的地方使用，兼具灭蚊和照明功能。
The AC/DC mosquito-killing emergent lamp having functions of mosquito-killing and illuminating can be used anywhere without water.
可移动 到任何不被雨淋到的地方使用，兼具灭蚊和照明功能。
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