As the name implies, a band-pass filter will only allow signals with frequency of a selected band to pass. Signals with frequency above or below the filter’s passband will be attenuated.

When you’re aiming for a particularly tight frequency band, this circuit may not help that much. Narrow bandpass filters are a separate topic of their own, and I’ll cover them along with ...

For example, using a television band-pass filter on an FM tuner will prevent reception of FM signals - and vice versa. Braid-breakers work by preventing low frequency signals from reaching TV or ...

The cell is based on 3rd order Butterworth low-pass filter (LPF) with cut-of frequency adjustment in a wide range. There are 2 modes for cut-off frequency programming: manual and automatically. The ...