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functions into infinite sum of sine and cosine functions. Here we shall produce signal waveforms of various types, shapes, frequencies. There are many waveforms

4.8 Square Wave A square wave is a series of rectangular pulses. Here are some examples of square waves: Figure 5 These two square waves have the same

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4c»*4'< l 3'#ti*>( i pO 15 An expression for the maximum pre a aura (Png^ )» along the x-axis or a * 0, It ^ 3)/T^/U m C, (36) an expression