Filter

Electronic filters perform a variety of signal-processing functions with the purpose of removing a signal’s unwanted frequency components, enhance desired ones, or both. There are many types of electronic test equipment filters, including those that are passive, active, analog, digital, low pass, high pass, linear, and nonlinear. Linear filters are the most commonly used for most electronic equipment applications. Buy new, used, and refurbished electronic filters from Brüel & Kjær, Fluke, and Keysight Agilent at ValueTronics.com.