LIGHI_DETECTOR

Published:2009/7/9 23:50:00 Author:May | From:SeekIC

Gives 1,800-cps alarm tone when illumination on photocell exceeds predetermined level, which can be below 0.1 foot-candle near 5,500 angstroms.- Transistor Manual, Seventh Edition, Gemeral Electric Co., 1964, p 363.



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