Date:   10/9/2017 11:47:12 AM ( 7 y ago)
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URL:   https://www.curezone.org/forums/fm.asp?i=2387009

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The secret to the square wave is that it is actually made up of a large number of sine waves.

If the base frequency is 2500 Hz, then:

3rd harmonic = 7500 Hz sine wave
5th harmonic = 12500 Hz sine wave
7th harmonic = 17500 Hz sine wave

and so forth all the way up to 1,000,000 Hz ( 997,500 Hz ) or higher in better models.


 

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