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ZM976(MTK6797) Android core board is the world’s first 10-core high-performance 4G full Netcom Android core board module. The module adopts the latest high-end platform Helio X20(MT6797) of MediaTek, and has a 64-bit three-cluster ten-core A72 architecture CPU with the highest frequency of 2.3GHz,64 and a 64-bit Mali-T880 MP4 780MHz GPU. Support seven-mode full-frequency network, 25-megapixel […]

Discussion on simulation optimization of high-performance mobile phone from PCB design PCB is the basic component of electronic products, and its quality is directly related to the function and life of electronic products. In the past two years, the focus of PCB market has shifted from computer and communication fields to smart phones and tablet […]

Despite the continuous development of competitive testing technology, online testing (ICT) is still one of the effective methods to test PCB components. The lasting appeal of ICT comes from the testing speed, usually only a few seconds. In addition, the test is accurate, and component-level error detection speeds up the diagnosis process and reduces the […]

As an important link in hardware design, PCB layout is an absolutely important index that affects the reasonable performance of hardware circuit design. Many PCB layout engineers finish wiring according to the restrictions of hardware engineers or pease engineers, and these are often called “cable puller”. They repeated and mechanically finished a PCB layout. After […]

Seven major wastes in PCB production, namely: waste of waiting; Waste of handling; Waste of defective products; The waste of action; Waste of processing; Waste of inventory; Make excessive (early) waste. Waiting waste: phenomena such as idle equipment, idle equipment, unplanned downtime, production shortage, etc. Generally, the reasons for waiting are: weak orders or insufficient […]

Why should test points be added to circuit board design? Circuit board design plus test points are not needed in PCB production, but ICT test after PCBA is completed, which is to test whether there is any problem in circuit board welding and whether the performance meets the requirements. In the production of PCB, the […]

The design of single-sided PCB requires a lot of professional data and some physical knowledge, which can be said to be a comprehensive skill project. If you want to make a high-quality PCB, you need not only a solid foundation, but also sensitivity to impedance. The impedance involved in PCB mainly includes the following aspects: […]

The first and fourth layer PCB design drawing program: 1. Draw a circuit diagram and make a netlist. Among them, the process of drawing schematic diagram involves drawing elements and packaging, so it is no problem to master these two kinds of schematic diagrams. The elimination of errors and warnings can solve general problems. You […]

If some preventive measures are not taken in pcb design, interference, data loss and poor signal integrity may occur. We will outline many rules and guidelines to consider when choosing Bluetooth technology for a given application, more specifically, designing it into the circuit board. A variety of applications use Bluetooth, including: Beacons used in shopping […]

High-speed PCB design is a relatively complicated process. Because of the need to fully consider many technical factors such as signal, impedance, transmission line, etc. in high-speed PCB design, it often becomes a major difficulty for beginners in PCB design. The basic concepts and technical points of high-speed PCB design provided in this paper will […]