- Filter Akerberg-Mossberg (AM) Second Order Notch inverting
- Filter Berka-Herpy (BH) Second Order Notch non-inverting
- Filter Fliege Second Order Notch non-inverting
- Filter KHN (Inverting Input) Second Order Notch non-inverting
- Filter KHN (Non-Inverting Input) Second Order Notch inverting
- Filter Mikhael-Bhattacharyya (MB) Second Order Notch non-inverting
- Filter Sallen-Key (SK) Second Order Notch non-inverting
- Filter Twin-T Second Order Notch I non-inverting
- Filter Twin-T Second Order Notch II non-inverting