Automobiles are undergoing a digital makeover: gone forever are the days of pure mechanical systems and analog electronics. Today’s automobile is a digital automobile, incorporating dozens of embedded ...

In this DI, high school student Tommy Liu modifies a popular low-cost DIY oscilloscope to enhance its input noise rejection and ADC noise with anti-aliasing filtering and IIR filtering. Three ...

Fig 1. Density addition and subtraction can easily separate these audio channels before digitalization. Fig 2. Density multiplication can easily be used to multiply these two inputs in several ...