The Chebyshev filter features a steep roll-off, but has ripple in the pass band, so it is not suited for audio signal use, where a flat response is ideal. The roll off is so fast that the common ...

In the last edition of Don’t Fear the Filter, we built up two examples of the simplest and most-used active filter of all time: the two-pole Sallen-Key lowpass. This time, we’re going to put two of ...

This article is a head-to-head competition between filters; we'll select champions fromeach side and let them fight it out. In the first match, digital filters are pitted against analog filters to see ...

Low pass filter (3rd order Chebyshev filter) is based on the gyrators with cut-off frequency adjustment in wide range. There are two modes for cut-off ...

Low pass filter (3rd order Chebyshev filter) is based on the gyrators with cut-off frequency adjustment in wide range (6.5…23 MHz ). There are two mod ...