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.
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.
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.
This article explores the LiFePO4 voltage chart, covering SOC and voltage for 3.2V, 12V, 24V & 48V systems, charging and BMS cutoffs.
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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
This article explores the LiFePO4 voltage chart, covering SOC and voltage for 3.2V, 12V, 24V & 48V systems, charging and BMS cutoffs.
Understanding cell chemistry, safety, energy density, and manufacturing realism.
Engineering principles, BTMS architectures, and design tradeoffs.
Understanding the key differences between the two high-in-demand battery types. This article focuses on Energy density, lifespan, safety, and cost trade-offs for the technical selection of Li-Ion and LiFePO4 batteries.
Understanding cell chemistry, safety, energy density, and manufacturing realism.
WashU chemical engineers work to bring stability to iron components instead of using more expensive precious metals in fuel cell technologies
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.
This article is a detailed exploration of crystalline vs amorphous solids, covering atomic order, materials properties, semiconductors, and how they translate into practical semiconductor, hardware and digital design applications.
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.
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.
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.
Selecting and validating the right busbar architecture earlier to optimize high-performance power distribution.
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
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
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.
WashU chemical engineers work to bring stability to iron components instead of using more expensive precious metals in fuel cell technologies
3 minutes read
An operational amplifier (op-amp) is a high-gain differential amplifier used in analog circuitry to process and condition signals. This article examines op-amp theory, ideal and real behavior, key specifications, core circuits, applications, and practical design considerations.
AI workloads are pushing the power demands of server racks beyond the practical limits of 48 VDC distribution. With current levels reaching several MW, data centers using traditional architectures face insurmountable power losses, making the shift toward HVDC distribution a necessity.
