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How can you continuously generate a tone for a certain duration?

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2007-06-25 14:37:38

I would use two 555 timer ICs. Hook the first one up as a

monostable multivibrator and the second as an astable

multivibrator. The first one sets the length of duration and the

second sets the frequency of the tone. Go to your local bookstore

and get a copy of "IC Timer Cookbook" by Walter G. Jung. This is an

excellent book and will describe the pinouts and methods of

assembly.


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