Multi-Functional Sound Generator Circuit Composed of NE555 and CC4051

Published:2011/4/21 22:53:00 Author:Sue | Keyword: Multi-Functional, Sound, Generator | From:SeekIC

This circuit is used as sound generator in timer alarms and electronic toys. Its features are as follows. The adaptive supply voltage range is large, that is to say it can work under voltage ranging from 4V to 18V. And the tones and tempos will not change with supply voltage, which can be used to indicate all kinds of states.



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