Allen, Tex. — Quickfilter Technologies, Inc. has released version 4.0 of its QuickfilterPro4A software that is used to design filters that will be implemented in the company's QF4A512 programmable ...

Digital signal processors (DSPs) continue to receive a great deal of attention in new product design. For example, digital filter design reflects the importance of understanding and using this ...

The first part of this series described how data flows through processing steps that create a moving average of stock prices over 65 days. Finite-impulse-response (FIR) filters use the same data-flow ...

Filters are circuits comprising resistors, inductors and capacitors that pass certain frequency bands and attenuate others. Active filters use operational amplifiers (op amps) with resistors and ...