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Chebyshev Tee LC Low Pass Filter Calculator
Chebyshev filters are analog or digital filters that have a steeper roll-off and more passband or stopband ripple than Butterworth filters. Chebyshev filters have the property that they minimize the error between the ideal filter characteristics and the actual characteristics within the filter range, but with ripples in the passband.
Chebyshev filters provide a sharper attenuation rate beyond the -3 db point. Chebyshev filters are more sensitive to component tolerances than Butterworth filters.
For even-order filters, all ripple is above the DC normalized passband gain response, so the cutoff is 0 dB. For odd-order filters, all ripple is below the DC normalized passband gain response, so the cutoff frequency is -(ripple) dB.
A low-pass filter is a filter that passes low-frequency signals but attenuates signals with frequencies above the cutoff frequency.