Bandpass filters are indispensable in modern communication, radar, and imaging systems, serving to isolate desired frequency ranges while attenuating unwanted spectral components. Contemporary ...

This article is part of the Ideas for Design Series: Vol. 3, No. 9. Many communications and sensor applications require a bandpass filter with wide bandwidth. This filter typically requires precision ...

Filter design, be it active, passive, or switched capacitor, is traditionally a mathematically intensive pursuit. There are many architectures and design methods to choose from. Two methods of high ...

We’ve always been fascinated by things that perform complex electronic functions merely by virtue of their shapes. Waveguides come to mind, but so do active elements like filters made from nothing but ...

The Avago ACFF-1024 is a miniaturized bandpass filter designed for use in the 2.4GHz Industrial, Scientific and Medical (ISM) band. The ACFF-1024 solves the design problem of enabling concurrent ...

In the last edition of Don’t Fear the Filter, we built up two examples of the simplest and most-used active filter of all time: the two-pole Sallen-Key lowpass. This time, we’re going to put two of ...

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Balun bandpass filters represent a critical advancement in radio frequency (RF) circuit design, integrating the dual functions of balanced-to-unbalanced conversion and frequency selection. These ...