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Application of GaN Devices in Compact Adapters: Solutions to High-Frequency Switching and EMI Challenges

The dual demands for charging efficiency and device portability have driven technological innovation in compact adapters. Gallium nitride (GaN) devices, with their high-frequency switching characteristics and low-loss advantages, have emerged as the core technology to overcome the performance limitations of traditional silicon-based adapters. However, electromagnetic interference (EMI) issues arising from high-frequency switching, coupled with thermal management and reliability challenges within compact des....
2025-11-17 14:03:30 1827
Application of GaN Devices in Compact Adapters: Solutions to High-Frequency Switching and EMI Challenges

How to Measure Circuit Current Using Shunt Resistors: Principles, Steps and Practical Guide

In electronic circuit testing and troubleshooting, current measurement is a fundamental and critical operation. Whilst multimeters can directly measure current, shunt resistors prove a more reliable choice when dealing with high currents (e.g. exceeding 10A) or demanding high-precision measurements, owing to their low cost and high stability. This article systematically explains shunt resistor selection, connection methods, practical measurement steps, error control, and safety precautions, starting from th....
2025-11-12 10:04:25 2173
How to Measure Circuit Current Using Shunt Resistors: Principles, Steps and Practical Guide

Analysis of Sensor Technology in Autonomous Mobile Robots

Autonomous mobile robots (AMRs) are increasingly deployed across numerous industries to streamline operational workflows, liberating personnel from tedious repetitive tasks and enabling them to apply their expertise to more intellectually demanding challenges. A pivotal mechanism underpinning the autonomous operation of such technology lies in its capacity for real-time environmental perception and decision-making in response to localised environmental changes. This principle equally applies to autonomous m....
2025-11-06 11:41:00 1509
Analysis of Sensor Technology in Autonomous Mobile Robots

Low-Power Sensor Node Design: Energy-Saving Strategies for Temperature, Humidity, PM2.5 and Human Body Infrared Sensors

The design of low-power sensor nodes has become a pivotal technology driving advancements in smart cities, environmental monitoring, and health management. Monitoring systems centred on temperature and humidity, PM2.5, and human body infrared sensors must extend node operational lifespans from days to years while meeting real-time and accuracy requirements. This paper systematically outlines core low-power design strategies and engineering practices across four dimensions: sensor selection, power management....
2025-11-04 16:33:04 960
Low-Power Sensor Node Design: Energy-Saving Strategies for Temperature, Humidity, PM2.5 and Human Body Infrared Sensors

Applications of Photodetectors in Display Spectral Analysis: Multi-Channel Data Acquisition and Processing

As display technology evolves toward higher resolution and wider color gamuts, spectral analysis has become a core tool for evaluating display performance and optimizing color reproduction. As the “sensory nerves” of spectral analysis systems, photodetectors' multi-channel data acquisition and processing capabilities directly impact analytical precision and efficiency. Through multi-channel array configurations and intelligent algorithm integration, photodetectors are reshaping the technical par....
2025-10-29 15:36:37 1294
Applications of Photodetectors in Display Spectral Analysis: Multi-Channel Data Acquisition and Processing

Applications of Digital Pressure Sensors in GPS Navigators

In this era of rapid technological advancement, GPS navigators have become deeply integrated into daily life, providing precise positioning and navigation services for travel. Whether assisting drivers in effortlessly reaching destinations through in-vehicle systems or aiding outdoor enthusiasts in navigating complex terrains via handheld devices, the significance of GPS navigators is self-evident. However, GPS technology is not without its limitations. In certain scenarios, positioning accuracy can be comp....
2025-10-24 11:27:42 1267
Applications of Digital Pressure Sensors in GPS Navigators

Analyzing the Core of LED Power Supply: Why Constant-Current Drivers Are Essential

In applications such as LED lighting and displays, the choice of power supply directly determines device performance, lifespan, and safety. Unlike traditional lighting equipment, LEDs (light-emitting diodes) are semiconductor light-emitting devices whose unique electrical characteristics preclude the simple adoption of constant-voltage drive modes. This article delves into the core reasons why constant-current drive power supplies have become the preferred solution for LED power supply, starting from the wo....
2025-10-21 15:01:06 1118
Analyzing the Core of LED Power Supply: Why Constant-Current Drivers Are Essential

FPGA-Based Digital Downconverter (DDC) Algorithm: Mixer Design and Anti-Aliasing Filtering

In modern wireless communications, radar, and software-defined radio (SDR) systems, digital downconverter (DDC) technology serves as a core component for high-speed signal processing. Its primary function is to downconvert high-frequency sampled signals to baseband while eliminating high-frequency noise interference through anti-aliasing filtering. FPGAs, with their parallel processing capabilities and reconfigurable nature, serve as an ideal hardware platform for implementing DDC algorithms. This paper foc....
2025-10-16 11:04:33 1699
FPGA-Based Digital Downconverter (DDC) Algorithm: Mixer Design and Anti-Aliasing Filtering

What is an On-Board Charger (OBC)? Basic Principles and Functions of an OBC

OBC (On-Board Charger) is the abbreviation for an onboard charging unit, an electronic device designed to charge the high-voltage battery pack of a battery electric vehicle (BEV) or plug-in hybrid electric vehicle (PHEV). Its primary function is to convert alternating current (AC) from the grid into direct current (DC) suitable for the vehicle's battery pack, thereby charging the electric vehicle's power battery. Basic Principles and Functions of an OBC Utilizing high-frequency switching power supply tech....
2025-10-13 15:12:23 1333
What is an On-Board Charger (OBC)? Basic Principles and Functions of an OBC

GAA+PVT Dual-Drive: Semiconductor Technology Breakthroughs and Chip Efficiency Revolution

As process technologies continue to evolve, design tools and the IP they rely on must keep pace. One example of industry progression is seen in Process-Voltage-Temperature (PVT) monitoring IP. Embedded within chips, PVT monitors provide feedback on silicon health throughout every stage of the lifecycle. Data collected from these monitors delivers numerous benefits, such as early prediction of impending chip failures and tracking trends across “massive” deployments of chips worldwide. From FinF....
2025-10-09 11:02:04 676
GAA+PVT Dual-Drive: Semiconductor Technology Breakthroughs and Chip Efficiency Revolution

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