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sine waves from square waves

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Every student knows that a square wave can be written out of sine waves. Here, we will show how sine waves can be made out of squares waves.

Published: 2015-07-11 | Category: [»] Electronics. Every student knows that square waves can be made out of a sum of sine waves. If you don’t, just have a look a Figure 1, you will see that it is very straightforward. This is usually presented as an introductory example to Fourier series and, later, Fourier transforms. The question here is: is-it possible to make sine waves from square waves? And this is precisely what this post is all about. Figure 1 - Generating a square wave from a sum of sine waves. You may ask why we need yet another method to create sine waves since there are a lot…

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