Brick wall filters are desirable in a number of audio, instrumentation and data acquisition applications. Creating these filters in the analog domain presents many cost and implementation challenges, ...

An electronic circuit that reduces a narrow range of frequencies. A notch filter is a type of bandstop filter. For example, in a musical instrument amplifier, a notch filter may reduce the frequencies ...

SUNNYVALE, CA—Maxim Integrated Products introduces the MAX9500/MAX9501 high-definition video filter amplifiers. Featuring attenuation of better than 40dB at 44.25MHz, the amplifiers are suited for ...

Customized results from search engines and social media that are geared to the individual based on that person's past preferences. A filter bubble means two people searching for the same thing receive ...

A University of Michigan professor has developed a new type of colour filter made of nano-thin sheets of metal with precisely spaced gratings. The filter might eventually enable higher-definition ...