Using eight digital inputs, this circuit simplifies decoding of the common membrane 4x4 keypad matrix and eliminates the traditional requirement of scanning rows or columns. Any X-Y switch matrix, ...

As the number of Power Over Ethernet (PoE) powered device (PD) applications grows, market pressures are driving designers to lower the cost and complexity of the DC-DC converters that power them, ...

Andy recommends favorite resources for basic op amp circuits and includes a portion of TI's AN-20. Test your knowledge with our op amp quiz; answer explanations are included. By 1969, a fledgling ...

Simple Sound Processor presented here is an ultra-simple circuit module suitable for almost all basic electronics and microcontroller projects. For example, this module can be used as a front-end in ...

All circuits, analog or digital, have characteristics dependent on the values of their component parts. Invariably, these parts are non-ideal in many ways. Even their most fundamental characteristics, ...

"Basic Pneumatic Schematics and Circuit Design" provides an overview of different common pneumatic schematic symbols, including air treatment symbols; pressure, flow, and direction valve symbols; and ...

166 pp., $29.95 (paper), ISBN 0-201-70851-5. With few exceptions (and this is not one of them) in computing, the word, "simple" should only be applied with some form of a "relative-to" qualification.