Active high-pass filters remove unwanted low-frequency signals while preserving useful higher frequencies. This article covers first- and second-order filter design, Sallen-Key and multiple-feedback topologies, and practical applications in audio electronics, instrumentation, and signal processing.
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Active low-pass filters use op-amps, resistors, and capacitors to pass low-frequency signals while attenuating higher frequencies. This article covers first-order and second-order filter design, Sallen-Key and MFB topologies, cutoff frequency, Q factor, and applications.
A bandpass filter is a circuit that allows a selected range of frequencies to pass while reducing low and high frequencies. This article covers the design of active bandpass filters using op-amps, resistors, and capacitors, including cutoff and center frequencies,, Sallen-Key and MFB topologies.
A technical analysis of 3D printing in healthcare, covering materials, clinical applications, and regulatory considerations for engineers.
The applications of 3D printing span many industries, from aircraft fuel nozzles to dental aligners. Here we look at some of the most important uses of the technology.
Capacitors in parallel are ubiquitous in digital and analog hardware. When used properly, they increase capacitance, reduce unwanted impedance and noise, and improve power integrity across a broad frequency range.
A comprehensive technical comparison of low-pass and high-pass filters, covering how each works, practical circuit implementations, and when to use them in electronics and signal processing.
This article offers an in-depth view of AMR robots, their underlying technology, and applications crucial in today's rapidly evolving technological landscape.
In this article, we take a look at two tinyML projects related to healthcare. The first project helps gather Mean Radiant Temperature data outdoors to protect people from extreme heat, and the other one is a solution for affordable, accurate, & rapid detection of pneumonia.
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