Custom Development for RK3399 Android Development Board 1. Overview: The RK3399 is a low-power, high-performance application processor chip launched by Rockchip. This chip is based on the Big.Little architecture, featuring a dual-core Cortex-A72 with a dedicated NEON co-processor and a quad-core Cortex-A53 combination. It is primarily used in computers, personal internet mobile devices, VR, advertising … Read more
In yesterday’s tweet, we discussed the impact of the bit depth of microcontroller ADCs on measurement errors. It should be noted that the experiments mentioned in the tweet were merely for theoretical validation. As suggested by a netizen later: the performance of microcontroller ADCs (ENOB and non-linearity) can only be verified through experimental data when … Read more
10-Layer First-Level HDI PCB Manufacturing Process and Technical Points 1. Definition and Features of 10-Layer First-Level HDI Board The 10-Layer First-Level HDI (High-Density Interconnect) board is a type of multi-layer PCB that uses blind hole technology to connect the outer and inner layers, structured as 1+8+1, which means 1 outer layer, 8 inner layers, and … Read more
From WeChat Official Account: Zeiss Industrial Quality Solutions In the rapidly evolving era of artificial intelligence (AI) technology, its powerful development momentum places higher demands on the quality of PCB (Printed Circuit Boards). As a key component of AI server hardware architecture, the performance and reliability of PCBs directly affect the operational efficiency of AI … Read more
In today’s world where smart devices are ubiquitous, Printed Circuit Boards (PCBs) serve as the “skeleton” and “lifeblood” of electronic products, silently carrying the flow of current and the transmission of signals. Whether it’s a smartphone, computer, or smart home device, the realization of core functions is inseparable from the precise layout of PCBs. 1. … Read more
Whether it’s a board made by someone else or a PCB board designed and produced by yourself, the first thing to do is check the integrity of the board, such as tin plating, cracks, short circuits, open circuits, and drilling issues. If the board’s function is relatively critical, it’s also good to check the resistance … Read more
1.Definition A PCB buried via is a hole that connects different layers of conductive traces within a multilayer printed circuit board. Unlike through holes and blind vias, buried vias are completely hidden inside the PCB and are not visible on the surface. This design allows the PCB to maintain high-density routing while optimizing signal transmission … Read more
1. Common Substrates for Flexible Circuit Boards These materials are widely used in consumer electronics and general industrial fields, offering good performance and cost-effectiveness. Polyimide (PI, Polyimide) Features: Polyimide is the most common substrate for flexible circuit boards, with excellent high-temperature resistance, mechanical strength, and electrical performance. It has good flexibility and can withstand high-temperature … Read more
Click the blue text above to follow us Shenzhen Prin Circuit, as a high-tech enterprise providing one-stop high-end circuit board services from R&D to mass production, understands that the stability and reliability of circuit board quality are key to product success. To ensure that each circuit board meets the highest quality standards, Shenzhen Prin Circuit … Read more
Flexible circuit board design has many advantages, but it also faces new design challenges. Unlike “standard” 2D circuit boards, PCB design engineers encounter specific issues when designing flexible circuit boards. Understanding the characteristics of flexible circuit board design helps to address issues in advance and speeds up the design cycle. What is flexible circuit board … Read more