This file type includes high resolution graphics and schematics. You can build an analog calculator using a pulse-width modulator (PWM) to perform accurate four-quadrant multiplication and division.

DNA contains the genetic code that makes humans different from other species of animals and even from each other. Researchers, however, have discovered other uses for the so-called blueprint of life.

Analog Circuit Analysis can be difficult. Consider the circuit below. It includes a Series Resonant Circuit. With Ideal Impedances, the Series Impedance is equal to zero at the resonant frequency. A ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Do simple calculations with your own math box. Ralph Smith The next ...