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I need to design a second order active filter low-pass Rauch structure of Bessel. Design data: f-cut = 15 Hz; C1 = 50 pF. More info in img - Electrical Engineering Stack Exchange
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Amazon.com: SMAKN UAF42 high pass, low-pass ,band-pass, filter active filter module ,low pass filter-Frequency gain, adjustable Q value : Electronics
![I need to design a second order active filter low-pass Rauch structure of Bessel. Design data: f-cut = 15 Hz; C1 = 50 pF. More info in img - Electrical Engineering Stack Exchange I need to design a second order active filter low-pass Rauch structure of Bessel. Design data: f-cut = 15 Hz; C1 = 50 pF. More info in img - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/0ayY8.jpg)