ESD

Essential ESD Protection Techniques for SMT Workshops in PCBA ODM Factories

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Essential ESD Protection Techniques for SMT Workshops in PCBA ODM Factories

Shenzhen Guangshengde Technology Development Co., Ltd. was founded in 2011, specializing in the research and development and production of integrated complete equipment for electronic electrical intelligent manufacturing lines, semiconductor packaging intelligent manufacturing lines, and flexible production lines for industrial robots. It has subsidiaries such as Anhui Guangshengde Automation Equipment and Shenzhen Songle Intelligent Equipment. Currently, … Read more

Sharing Experiences on Analog IC Tape-Out

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Sharing Experiences on Analog IC Tape-Out

The following content is the experience of EETOP user zjyuestc regarding analog IC tape-out, now shared for everyone’s reference. Analog IC design has emerged relatively late in China, and there are currently very few mature designs. Most of the chips produced are essentially imitations of products from major international companies like TI, Maxim, LT, etc., … Read more

Case Study on the Rectification of Head-mounted Bluetooth Electrostatic Issues

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Case Study on the Rectification of Head-mounted Bluetooth Electrostatic Issues

Click the blue text to follow us Introduction There are various types of wireless Bluetooth headsets on the market, which offer excellent sound quality and convenient control features. Wireless Bluetooth headsets not only free our hands but also allow us to enjoy calls and music more freely. The sales of wired headsets are gradually declining, … Read more

EMC Electrostatic Shielding Solutions for Sensitive Circuit Modules: A Case Study

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EMC Electrostatic Shielding Solutions for Sensitive Circuit Modules: A Case Study

WeChat Official Account:Electromagnetic Compatibility Home Issue 2778 1.Problem Description An industrial display screen experienced blue screen issues and system crashes during ESD (Electrostatic Discharge) testing, with ±6kV contact discharge applied to the network port, USB, and serial port. The system could recover after a power cycle, but the tests failed. This issue has persisted for … Read more

Fundamentals of PCB Design

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Fundamentals of PCB Design

1. Concept of PCB PCB (Printed Circuit Board), known in Chinese as 印制电路板, is an important electronic component that serves as a support for electronic components and provides electrical connections between them. It is called a “printed” circuit board because it is made using electronic printing technology. 2. Role and Function of PCB in Various … Read more

Standards for Environmental Management in PCBA Workshops

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Standards for Environmental Management in PCBA Workshops

SMT stands for Surface Mount Technology, which is currently the most popular technology and process in the electronic assembly industry. It is a circuit assembly technology that mounts surface-mounted components (referred to as SMC/SMD, known in Chinese as chip components) on the surface of printed circuit boards (PCBs) or other substrates, using methods such as … Read more

Comprehensive Overview of Common PCB Standards

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Comprehensive Overview of Common PCB Standards

In the field of electronic manufacturing, printed circuit boards (PCBs) are indispensable components, and their quality directly affects the performance and reliability of the entire electronic product. To ensure compliance with industry standards and best practices, engineers need to be well-informed about international PCB standards. Below are some commonly used standards, which we hope will … Read more

Selecting TVS Diodes for RS-232, RS-485, and CAN Based on Rated Voltage

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Selecting TVS Diodes for RS-232, RS-485, and CAN Based on Rated Voltage

**Introduction** In many industrial and automotive applications, protecting interface transceivers from various electrical overstress events is a major concern. Transient Voltage Suppressor (TVS) diodes are commonly used for this purpose as they clamp voltage spikes by creating a low impedance current path. The electrical characteristics of TVS diodes are determined by several process factors. These … Read more

How to Achieve EMC Protection for RK3588 Chip?

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How to Achieve EMC Protection for RK3588 Chip?

The RK3588 core board is a widely used 8K flagship SoC chip from Rockchip, and it is one of the domestic chips frequently used by many electronic engineers. When using the RK3588, EMC issues often arise. So, how can we reduce these EMC problems? 1. Mold Isolation Design Connectors should be recessed as much as … Read more