All-Pass Filter Phase Shifters – John Dunn, Consultant, Ambertec, P.E., P.C. We're all familiar with low-pass filters, high-pass filters, band-pass filters, band-stop filters and other filter types, ...
Several manufacturers offer op amp-based filter design tools [1-3]. Some tools choose off-the-shelf capacitor values, but others select non-standard ones. The option to alter passive component ...