Active filters are ubiquitous in electronic design today, performing signal-frequency manipulation and conditioning for audio, IF (intermediate frequency), and digital-signal processing. The success ...
Today I am experimenting with a single chip Universal Active Filter, in this case I made a small PCB for the UAF-42 from Texas Instruments. I chose this part in particular as it facilitates setting ...
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 ...
The major op amp suppliers continue to improve and update their online design tools. Here, three of the major tools will be applied to the same relatively simple 2 nd order multiple feedback (MFB) ...
Scientists in the Middle East have developed a series active filter to improve power quality in grid-tied PV systems, consisting of an inductor, two capacitors, and four transistor-diode pairs. The ...
Sponsored by Texas Instruments: A unique electromagnetic-interference reduction feature facilitates high-power-density designs while shrinking their footprint and cost. Since power density is a ...
For many analog-to-digital converter (ADC) applications, a simple passive resistor/capacitor (RC) filter at the buffer input will provide adequate antialiasing filtering. However, an active filter is ...
Schaffner is aiming at active front end (AFE) drives and active in-feed converters (AIC) with a range of three-phase LCL mains filters. Called FN 6840, they come in a variety of specifications and are ...
Physicists have proven theoretically that active sieving, as opposed to its passive counterpart, can improve the separation abilities of filtration systems. Active sieving also has the potential to ...
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