High-pass filters

Frequency response

The frequency response of high-pass filters results from mirroring the frequency response of the corresponding low-pass filter at the cut-off frequency line.

High-pass filters 1:
Figure 1-3: Amplitude frequency response of the high-pass filters (4th order)

Step response

Contrary to low-pass filters, the filter output values of the step response in the case of high-pass filters fluctuate around the stationary value.

High-pass filters 2:
Figure 1-4: Step response of the high-pass filters (4th order)