Video "notch" filters are used in television apparatus to suppress unwanted spectral components in the video-frequency band; an important application is the suppressions of signal components at ...

For a lowpass filter, the shunt element is a capacitor and the series elements are resistors, ferrites, inductors, or a combination of those devices. The first question is which topology to use: a T, ...

Notch filters are commonly used in applications such as Raman laser spectroscopy, to protect eyesight, and as attachable filters for cameras. Notch filters are blocking filters, allowing light from a ...