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A graphical representation of the frequency response of a system, showing magnitude (in dB) and phase (in degrees) plotted against frequency (on a logarithmic scale).

A type of filter with a maximally flat frequency response in the passband, meaning no ripples and a smooth cutoff at the transition to the stopband.

Attenuates signals within a certain frequency range, allowing frequencies outside of this range to pass through.

Filters that use active components such as transistors or operational amplifiers, along with resistors and capacitors, and require an external power source.

Allows signals with a frequency higher than a certain cutoff frequency to pass through and attenuates frequencies lower than the cutoff frequency.

A filter that allows ripples in the passband for a steeper rate of attenuation in the stopband as compared to a Butterworth filter.

Allows signals with a frequency lower than a certain cutoff frequency to pass through and attenuates frequencies higher than the cutoff frequency.

The rate at which a filter attenuates the signal beyond the cutoff frequency, typically expressed in decibels per octave or decibels per decade.

Allows signals within a certain range of frequencies to pass through, attenuating frequencies outside this range.