An active filter is a type of analog circuit that implements an electronic filter to a signal using active components such as an amplifier. When an amplifier is included in a filter design or application, it can improve the predictability and performance of the filter.
Types of Active Filters
- Brand Pass Filters
- Brand Reject Filter
- High Pass Filter
- Low pass Filter
- Quad Filters and Universal Filters are devices that can be programmed to perform one of the other types of active filters
- Notch Filter