- Filter Akerberg-Mossberg (AM) Second Order Lowpass inverting
- Filter Bach Second Order Lowpass non-inverting
- Filter Berka-Herpy (BH) Second Order Lowpass non-inverting
- Filter Fliege Second Order Lowpass non-inverting
- Filter KHN (Inverting Input) Second Order Lowpass inverting
- Filter KHN (Non-Inverting Input) Second Order Lowpass non-inverting
- Filter Mikhael-Bhattacharyya (MB) Second Order Lowpass non-inverting
- Filter Multiple Feedback (MFB) Second Order Lowpass I inverting
- Filter Multiple Feedback (MFB) Second Order Lowpass II inverting
- Filter Sallen-Key (SK) Second Order Lowpass I non-inverting
- Filter Sallen-Key (SK) Second Order Lowpass II non-inverting
- Filter Tow-Thomas (TT) Second Order Lowpass non-inverting
- Filter Twin-T Second Order Lowpass non-inverting