Electromagnetic Compatibility

Bourns Launches Shielded Power Inductors for DDR5 PMIC

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Bourns Launches Shielded Power Inductors for DDR5 PMIC

Recently, Bourns has developed two shielded power inductors with a nanocrystalline core to reduce power loss in DDR5 memory systems.These inductors utilize nanocrystalline powder construction technology, combined with the latest in inductor manufacturing processes, resulting in significant performance improvements. The nanocrystalline core features high magnetic permeability and low loss characteristics, which help enhance the efficiency … Read more

How to Manually Print PCB Circuit Boards

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How to Manually Print PCB Circuit Boards

How to Manually Print PCB Circuit Boards For other PCB-related content, click the relevant links: How to Make a Good PCB Board How to Design Circuit Boards for Anti-Interference Mixed-Signal PCB Layout Design Some Simple and Common Rules for PCB Layout Plane Crossing and Segmentation in PCB Safety Regulations in PCB Design PCB Layer Stack … Read more

Printed Circuit Board (PCB) Design

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Printed Circuit Board (PCB) Design

Printed Circuit Board PCB Design Printed Circuit Board (PCB) design is one of the core skills in electronic engineering, essential for both simple electronic projects and complex industrial products. 1.PCB Design Basic Process 1. Schematic Design Use EDA tools (such as Altium Designer, KiCad, Eagle) to draw the circuit schematic and define the connections between … Read more

High-Speed PCB Design Guide: Design Guidelines for Mixed-Signal Circuit Boards, Partition Design, and PCB Routing Techniques to Reduce Signal Coupling in RF Product Design

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High-Speed PCB Design Guide: Design Guidelines for Mixed-Signal Circuit Boards, Partition Design, and PCB Routing Techniques to Reduce Signal Coupling in RF Product Design

Part One: Design Guidelines for Mixed-Signal Circuit Boards The operation of analog circuits relies on continuously varying currents and voltages. Digital circuits operate by detecting high or low levels at the receiving end based on predefined voltage levels or thresholds, which corresponds to determining the logical states of “true” or “false”. Between the high and … Read more

CE-RED Certification for Bluetooth Headphones: A Comprehensive Guide to Technical Compliance and Market Access

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CE-RED Certification for Bluetooth Headphones: A Comprehensive Guide to Technical Compliance and Market Access

Bluetooth Headphones CE-RED Bluetooth Headphones CE-RED Bluetooth Headphones CE-RED Bluetooth Headphones CE-RED Bluetooth Headphones CE-RED Technical Compliance and Market Access Explained Bluetooth Headphones CE-RED Bluetooth Headphones CE-RED To sell Bluetooth headphones in the European market, CE-RED certification acts as a “ticket to entry.” The EU has increasingly stringent requirements for wireless devices regarding signal strength, … Read more

Unveiling the Certification Standards for Bluetooth Speakers in the United States

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Unveiling the Certification Standards for Bluetooth Speakers in the United States

FCC certification frequency range: Wireless Bluetooth speakers must operate within the frequency range specified by the Federal Communications Commission (FCC) to ensure that the product does not interfere with other communication devices and can achieve good connection quality. Radiated Power: The FCC requires that the radiated power of wireless Bluetooth speakers during transmission does not … Read more

Can Existing Test Reports Be Used to Cover New Model Registration Changes for In Vitro Diagnostic Instruments?

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Can Existing Test Reports Be Used to Cover New Model Registration Changes for In Vitro Diagnostic Instruments?

01 / Question/ Can existing test reports be used to cover new model registration changes for in vitro diagnostic instruments? 02 / Answer/ Provided that the new model can be considered as part of the same registration unit, the company should assess the representativeness of the performance of the existing model. If there are differences … Read more

Allegro’s PMIC A81407 with High-Side Pre-Driver

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Allegro's PMIC A81407 with High-Side Pre-Driver

Continuing the analysis related to bus shutdown and relevant disconnections, this time we focus on Allegro’s PMIC A81407, which can be combined with A4911/18 for a versatile solution.This combination is also quite effective in applications such as wire control and redundant EPS.Key features of the chip include: ASIL D functional safety level Wide input voltage … Read more

Electromagnetic Compatibility Design of Printed Circuit Boards

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Electromagnetic Compatibility Design of Printed Circuit Boards

Electromagnetic compatibility refers to the ability of a device or system to function properly in its electromagnetic environment without causing unacceptable electromagnetic interference to anything in that environment. The purpose of electromagnetic compatibility design is to ensure that electronic devices can suppress various external interferences, allowing them to operate normally in specific electromagnetic environments, while … Read more

Electromagnetic Compatibility and Heat Dissipation Design of High-Speed DSP Systems

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Electromagnetic Compatibility and Heat Dissipation Design of High-Speed DSP Systems

With the rapid development of electronic technology, high-speed DSP systems have become core components in many fields. However, in practical applications, the complex electromagnetic compatibility environment and high-temperature conditions can severely impact system stability. Therefore, how can we effectively design the electromagnetic compatibility and heat dissipation of high-speed DSP systems? 1. Electromagnetic CompatibilityElectromagnetic compatibility is … Read more