WOLFRAM NOTEBOOK

2 Hz
3 Hz
4 Hz
3 Hz & 7 Hz
​A 2-Hz signal is expected to be attenuated slightly, and this can be seenin both filters' responses, although the Chebyshev appears to be attenuateda bit more.​​The filtered Butterworth response leads the input signal, while theChebyshev response has a small lag.
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