It’s been a running battle in some quarters for years, whether analog sensor processing is better than digital. Proponents of digital are sometimes driven by lack of familiarity with analog circuitry, ...

Of digital electronics, a wise man once said that “Every idiot can count to one.” Truer words have rarely been spoken, because at the end of the day, every digital circuit is really just an analog ...

A similar version of this article appeared in the May 5, 2010 issue of Electronic Design magazine. As portable battery-operated devices continue to shrink in size while adding functionality, their PCB ...

The schematic in Figure 1 is a common summing amplifier with multiple inputs and one single-ended output. It is a variation of a standard inverting amplifier. Point X is a virtual ground and is ...

The traditional three op-amp differential amplifier's signal to noise ratio can be improved by 6dB by adding a resistor and slightly changing the connections. There is a trade-off though: The ...