How to Defeat Control Power Supply Grounding Defects Based on Insulation Reduction in PCB Design

In the ordinary 380V AC distribution system, control power supply usually derives from DC power system. As a critical standby power supply and control power supply of power plants, the most ordinary and dangerous defect of DC sy ...

Laptop PCB Assembly Technique

With the flourishing and wide application of laptops, it has become overarching to improve product quality and manufacturing efficiency and key technique and product quality control in the process of laptop production have at ...

SMT Soldering Reliability Research Based on Circuit Module in Automotive Electronic Industry

The trend of miniature of electronic products leads to complicated structures of products, which promotes the prevalence of multi-chip module. The advent of core module is a new challenge for SMT. However, some problem ...

Application of Bottom Filling Technology in Printed Circuit Board Assembly

Bottom filling can be classified into fluidity bottom filling based on capillary flow theory and nonfluidity bottom filling. Up to now, bottom filling technology suitable for chips of BGA, CSP etc. mainly includes: capillary bottom fill ...

PCB Design Requirement for Smart Phones

Up to now, smart phones have become such a must-have electronic product that more than one third of daily communications and activities are completed through smart phones with their value rapidly rising every year. It's e ...

Methods Contributing to Optimization of LED PCB Design and Quality Control

LED (Light Emitting Diode) display has been embraced by electronic industries owing to its merits ranging from high lightness, low energy consumption, long lifetime to stability. Due to the constant progress on technical indexes lik ...

Guidelines for RF and Microwave PCB Design

Nowadays have witnessed wide applications of RF/Microwave PCBs in numerous handheld wireless devices and commercial industries including medical, communication, etc. Since RF/Microwave circuits are distributed para ...

Layout and Tracing Rules for Box Build Assembly

Quality of electronic products largely depends on assembly technologies. Box build assembly refers to a process during which according to design files, work procedure and technologies, multiple components and accessories a ...

PCB Partitioning Design Rules for EMC Improvement

EMC, a short form of Electro-Magnetic Compatibility, refers to a coexistence state in which electronic devices can implement their own functions in the same electromagnetic environment. Put it simply, EMC allows electronic devic ...

Three Design Considerations Ensuring EMC of Laptop PCB

When it comes to laptop PCBs, 6-layer or 8-layer circuit board is generally selected. Based on cost consideration, however, 6-layer PCB is an optimal selection for PCB designers. Sadly, EMC (Electromagnetic Compatibility) design f ...

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