“ In the printed circuit board assembly (PCBA) of 5G communication devices, radio frequency (RF) interference has become a critical factor affecting communication quality and user experience. Effectively suppressing RF interference to enhance the performance of 5G communication devices has become a focal point of current research.” 01 — 5G Communication Frequency Bands and Sources … Read more
In the wave of technological advancements, cutting-edge technologies such as artificial intelligence, the Internet of Things, and big data are deeply integrated with the robotics industry, leading to an exponential expansion of robot functionalities and a significant increase in complexity. This development trend imposes unprecedented stringent requirements on the core component of robots—the Printed Circuit … Read more
Why is it essential to strictly follow the PCBA testing process in contract manufacturing? The importance of the PCBA testing process. In the manufacturing of electronic products, PCBA is one of the critical components, and the PCBA testing process is an important means to ensure product quality and reliability. The significance of the PCBA testing … Read more
Considerations for Renovating Electrical Circuits in Old Houses It is essential to replace all wiring with copper core wires; partial modifications are not recommended; Old aluminum wires in walls are prone to oxidation and overheating, posing hidden dangers; Old air switches should be replaced with new models with leakage protection; Increase the number of sockets … Read more
In the increasingly competitive electronic product market, some companies are racking their brains to reduce operational costs. However, businessmen Du and Wang took a different approach, focusing their misguided efforts on exploiting loopholes. Their meticulously planned “damaged product exchange” scam not only failed to alleviate their inventory pressure but also led them to the courtroom. … Read more
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Compared to single-sided and double-sided boards, the process flow of rigid multilayer printed circuit boards is fraught with challenges, with significantly increased difficulty, mainly reflected in the following aspects: 1.Inter-layer alignment of multilayer wiring 2.Alignment of holes with inner layer patterns 3.Step slot formation 4.Warping of the board surface 5.Defects such as internal delamination, bubbling, … Read more
Screenshots of Some E-books 【Complete Set of Hardware Learning Materials】
High-speed rail circuit boards and standard circuit boards exhibit significant differences in design, material selection, and manufacturing processes, primarily due to the unique requirements imposed by the operating environment of high-speed trains on electronic devices. The following are the main differences between high-speed rail circuit boards and standard circuit boards: Reliability and DurabilityHigh-speed rail circuit … Read more
Some screenshots from electronic books 【Complete Set of Hardware Learning Materials】