Second Order Passive High Pass Filter. The function of the capacitor remains unchanged. Second order high pass filter the above circuit uses two first order filters connected or cascaded together to form a second order or two pole high pass network.
Second order passive filters s s 12 5 2nd order filter 21 21 0 21 10 as as a. Cascading together they form a second order high pass filter. This is a second order high pass filter.
A passive 2 nd order filter is made by cascading two 1 st order filters.
The performance of this two stage filter is equal to single stage filter but the slope of the filter is obtained at 40 db decade. Second order passive filters s s 12 5 2nd order filter 21 21 0 21 10 as as a. Second order active high pass filter if we swap the resistor and capacitor in an rc low pass filter we convert the circuit into a cr high pass filter. Electronic circuits 2 high speed circuits and systems laboratory lect.
