ElectronicsNotes on Twitter: "It is very easy to design an active notch filter using op-amps. #opamp #notchfilter #circuitdesign https://t.co/GWUAAVYqGs https://t.co/65LNlzwSil" / Twitter
Active Twin - T - Notch Filter Calculator
Notch Filter Circuits with Design Details | Homemade Circuit Projects
Electronic Projects
Op-Amps as Active Band-Pass and Active Band-Reject Filters - Video Tutorial