Generally, the most commonly used components in SMT package materials are package materials and plug-in materials, and each has its own advantages. Due to the advantages of miniaturization and precision, SMT processing occupies an increasing share in electronic processing, and chip components are the most widely used components in SMT foundry. Compared with plug-in components, […]
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This document introduces the characteristics and logic structure of hi3520DV400 chip, describes the functions, working modes and related register definitions of each module in detail, gives the interface timing relationship and related parameters in the form of charts, and describes the pin definitions and uses of the chip, its performance parameters and package size in […]
The process of 8-layer pcb proofing is similar to that of ordinary PCB proofing, but compared with ordinary PCB, there are more pressing processes. Today, Xiaobian will show you the specific process of 8-layer pcb proofing. Brief introduction of the differences between common double-sided pcb and multilayer Pcb; The double panel is the middle layer […]
I. media processing platform (MPP)hi3531/3532 coding 2. Video cache pool: provides large memory management function for media services. Third, the video coding module VENC supports the following protocol coding: (1) H.264 (2) JPEG (3) MJPEG (4) MPEG-4 IV. The input sources of the coding module include three types: (1) the user reads the image file […]
Electromagnetic compatibility design is closely related to specific circuits. In order to design electromagnetic compatibility, PCB designers need to minimize the radiation (RF energy leaking from products) and enhance their susceptibility to radiation (energy entering products) and anti-interference ability. However, for the common conductive coupling at low frequency and the common radiation coupling at high […]
A7@800MHz,32KBI-Cache,32KBD-Cache/128KBL2cache A17@1.25GHz,32KBI-Cache,32KBD-Cache/256KBL2cache HI3519V101 supports Neon acceleration and integrates FPU processing unit. ARM®big.LITTLE core architecture is supported. video coding H.264BP/MP/HP H.265MainProfile H.264/H.265 supports I/P/B frame and double P frame reference. HI3519V101 supports MJPEG/JPEGBaseline encoding HI3519V101 Video Coding Processing Performance H.264/H.265 coding can support the maximum resolution of 16M(4608×3456)Pixel. H.264/H.265 multi-stream real-time coding capability; 340 * 2160 […]
PCB design process PCB rule settings The design unit follows the unit set in canvas properties, where the unit is mil. Wire width is 10mil; minimum; The minimum distance between different network elements is 8 mil; The external diameter of the hole is 24mil, and the internal diameter of the hole is 12mil;. Line length […]
At present, the main products of SMT are: lead-free soldering process, lead soldering process and red glue soldering process. Moreover, its point calculation method is very similar, but many users don’t know much about the calculation of SMT patch points and how to calculate the cost. Some companies calculate one pad as one point, but […]
Nowadays, the use of PCB multilayer circuit boards in the market has become a popular trend, and with the development of the industry, the ability of many PCB manufacturers to develop and produce PCB multilayer circuit boards has become increasingly prominent. So, what are the requirements for the proofing of PCB multilayer circuit boards? Below, […]
Printed circuit boards (pcbs) are generally called printed circuit boards (PCBs). Printed circuit board proofing means that a small amount of samples are produced for testing before mass production, which also answers the question of PCB proofing sold in the market. Many electronic product manufacturers will find some professional PCB proofing manufacturers to cooperate with, […]










