Version 4.0 of FilterExpress has added a companion simulator called FilterSim. Together, these Windows-based tools provide electronic and communications systems designers with a rapid means of ...

Low-pass filters (LPFs) are fundamental components in modern electronic systems, serving to permit signals below a designated cutoff frequency while attenuating higher frequencies. Recent advances ...

My friend John Edwards has generously posted his DSP algorithm libraries and filter design software at numerix-dsp.com. The libraries are designed to be highly portable; they support a wide range of ...