TIMER_FOR_CODE_PRACTICE

Published:2009/7/11 2:21:00 Author:May | From:SeekIC

Signetics NE555V timer operating on 9-V supply serves as AF oscillator providing adequate volume for classroom instruction. Output tone can be varied from several hundred to several thousand hertz.-J. Bumey, Code Practice Oscillator, OST, July 1974, p 37.



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