The most common band-stop filter design is the twin-T notch filter network. In its basic form the twin-T configuration, also called a parallel-T, consists of two RC branches forming two T-sections that use three resistors and three capacitors with opposing R and C elements in the T-sections of its design, as shown, creating a deeper notch. This filter filters out 60 Hz signals very well.
This page is a utility for simulating режекторный фильтр twin-t online with specified initial values.









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