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 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.
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.
Nexperia links device-level advantages to application requirements, helping designers choose the best Wide bandgap (WBG) solution for their design.
The motor control center puts the starters, protection and controls for many electric motors into one lineup of cabinets. This guide explains what it is, how it is built, how it differs from switchgear and a VFD, and what current standards expect for safety and maintenance.
17 minutes read.
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13 minutes read.
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16 minutes read.
Electrical and Electronic Manufacturing
Drop-in power cords that improve battery performance.
18 Posts
University
KIT is one of the biggest research and education institutions worldwide and...
17 Posts
University
For almost two centuries DTU, Technical University of Denmark, has been ded...
16 Posts
Developers report equivalent capacity, first-cycle efficiency, fast charging, and an estimated 130 kg less direct CO₂e per tonne of coated graphite.
A solid oxide fuel cell converts fuel directly into electricity through a ceramic electrolyte that conducts oxygen ions at high temperatures. This guide covers the electrochemistry, the material choices, where the efficiency really comes from, and the degradation mechanisms.
A microbial fuel cell turns the metabolism of living bacteria into an electrical current. This guide covers the electrochemistry, microbiology, materials, real performance numbers from pilot plants, and the economics that still keep the technology out of mainstream power generation.
A PEM fuel cell converts hydrogen and oxygen into electricity at around 80 degrees C, with water and heat as the only products. This guide covers electrochemistry, layer materials, efficiency limits, and cost and durability to help you understand the practical applications of this technology.
A solid oxide fuel cell converts fuel directly into electricity through a ceramic electrolyte that conducts oxygen ions at high temperatures. This guide covers the electrochemistry, the material choices, where the efficiency really comes from, and the degradation mechanisms.
A microbial fuel cell turns the metabolism of living bacteria into an electrical current. This guide covers the electrochemistry, microbiology, materials, real performance numbers from pilot plants, and the economics that still keep the technology out of mainstream power generation.
A PEM fuel cell converts hydrogen and oxygen into electricity at around 80 degrees C, with water and heat as the only products. This guide covers electrochemistry, layer materials, efficiency limits, and cost and durability to help you understand the practical applications of this technology.
This article explains how load cells work, the main types, what accuracy specs and OIML/NTEP classes mean, and best practices for sizing, wiring, and installation.
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.
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.
Nexperia links device-level advantages to application requirements, helping designers choose the best Wide bandgap (WBG) solution for their design.
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.
An interview with Ryan Smart, VP of Product at Harwin, discussing the challenges of shielding in high-reliability connectors, high-current design trends, and the hybrid power-and-signal connector layouts.
Understanding gate-driver fundamentals, architectures, drive techniques for SiC MOSFETs and GaN HEMTs, protection features, key specifications, and selection guidance for modern power electronics.
This technical guide provides a comparative analysis of step-up and step-down transformers covering turns ratio, grid voltage levels, design parameters, autotransformers, buck-boost configurations, efficiency standards and selection criteria.
A solar harvester developed by Harvard engineers uses simple components to produce warmth on cold days and electricity on hot days, passively toggling between modes as the temperature changes.
3 minutes read
EPFL and CSEM researchers have achieved a record 30% efficiency for triple-junction solar cells, which combine two thin-film perovskite cells and one silicon cell on a single device. The milestone could advance affordable next-generation solar technologies for space and terrestrial applications.
3 minutes read
Understanding how voltage regulators maintain constant voltage, comparing linear, LDO, and switching types, and providing engineering guidelines for selecting and integrating regulators into complex systems.
Using the world's most powerful neutron source and technology from space telescopes, DTU researchers will create a unique microscope that can look inside batteries and see what happens when they break down. This could lead to better battery materials in the future.
3 minutes read
Discover how CoolSET™ PWM Gen5 Pro controllers enhance auxiliary power supply performance with faster startup, flexible gate drive, robust protection, and high efficiency in high-voltage systems.
Learn why growing hardware teams slow down as they scale, and how aligned workflows, parallel collaboration, and real-time design visibility restore speed and momentum.
WashU chemical engineers work to bring stability to iron components instead of using more expensive precious metals in fuel cell technologies
3 minutes read
