Band Pass Filter

In this section

Purpose

Controls

Band Pass Frequency Response

See also

Band Stop

Crossovers

High Pass

Low Pass

Purpose

The Band Pass Filter passes frequency components in the vicinity of the Center Frequency setting. Frequencies above and below the Center Frequency are rolled off at a 6dB/octave rate.  The band pass filter is useful for building spectrum analyzers. These filters can also be created by combining a low pass filter with a high-pass filter. Potential applications for the band pass filter include spectrum analyzers and inexpensive crossovers.