1_kHz_SQUARE_WAVE

Published:2009/7/21 3:20:00 Author:Jessie | From:SeekIC

Useful for signal-tracing from audio frequencies to several mega-hertz because 1000-Hz square-wave output of 555 timer is rich in harmonics. Use 5-V supply.Developed for checking audio, IF, and BF stages of amateur receiver operating on 160- to 40-m bands.-J. J. Carr, How to Become a Trouble-shooting Wizard, 73 Magazine, Jan, 1976, p 138-143.



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