Night vision benchmark circuit

Published:2011/4/26 0:35:00 Author:Nicole | Keyword: night vision, benchmark | From:SeekIC

The night visual range of this benchmark is not shorter than 500m, using 4 2-type batteries, it can constantly work more than 30h, it can be used for night linear measuring, or used as singal device labelled. Interval oscillator is composed of BG4 and L, it changes 6V DC power into 220V AC power, igniting 3W cold cathode fluorescent tube then to used it as the source of night vision benchmark. The tube can choose red, white, green three colors according to the needs. BG3 is switching tube, it is controlled by oscillator, to make tube flash. K2 is working transfer switch, when it is need to keep tube lighting, it can cut off K2.



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