Band-pass filter

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A band-pass filter is a device that passes frequencies within a certain range and rejects (attenuates) frequencies outside that range. An example of an analogue electronic band-pass filter is an RLC circuit (a resistor–inductor–capacitor circuit). These filters can also be created by combining a low-pass filter with a high-pass filter.[1]


  1. | Time Sequence Analysis in Geophysics author E. R. Kanasewich, publisher University of Alberta, year 1981, isbn 0888640749, p.260