Appendix A. UltraCAD’s Square Wave Simulator

This simulation (see Figure A-1) is referenced in Chapter 1. Download the file to a convenient place on your hard drive and unzip it. Execute the resulting square.exe file.

UltraCAD’s Square Wave Simulator.

Figure A-1. UltraCAD’s Square Wave Simulator.

A square wave does not exist naturally in nature. We can think of a square wave as actually being formed by, or made up of, a series of natural cosine waves following the relationship:

UltraCAD’s Square Wave Simulator.

where ω is the fundamental frequency of the wave and t is time. The ...

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