Cartridge oil filters were invented first, then spin-ons took over, but cost and environmental concerns have driven a return to cartridges in new cars.

One of the principal drawbacks of crystal filters is their inherently high insertion loss. This column examines how such filters can be used and how to minimize the impact of the high insertion loss.

To provide additional insight in the application and impact of precision in digital filter, examples of two practical digital applications are shown. The first example is an equalization of a small ...

Optical bandpass filters are optical filters that pass one or more specified wavelength band(s) while blocking others. Bandpass filters are referred to by the wavelength range, also known as the pass ...

Lens filters are one of the most affordable yet also most versatile accessories you can stow in your lens bag. Some of them, like polarizers and UV filters, are practically ubiquitous in modern-day ...