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PCB design or PCB layout requires the perfect integration of different technical capabilities. It is an indispensable link between manufacturing and engineering, so it determines the overall functional performance of the final product. For the same reason, it is always a better idea to seek experienced and skilled PCB manufacturing companies, which know how to […]

The design of printed circuit board is based on circuit schematic diagram, and realizes the functions required by circuit designers. The design of printed circuit board mainly refers to layout design, and the layout of external connections needs to be considered. Optimal layout of internal electronic components. Optimal layout of metal connecting lines and through […]

Single-Chip Microcomputer For novices, electromagnetic interference may not pay much attention to the influence of circuit design on the input and output of the design itself, but for an electronic engineer, it is self-evident. It is not only related to the ability and accuracy of MCU in control, but also related to the competition of […]

1、 Preface At present, high-speed PCB design is widely used in the fields of communication, computer, graphics and image processing, etc. All high-tech value-added electronic product designs are pursuing the characteristics of low power consumption, low electromagnetic radiation, high reliability, miniaturization and light weight, etc. In order to achieve the above goals, via hole design […]

Nanjing PCB design power supply noise The common interference source in the circuit comes from the power supply, and this interference signal is usually introduced through the power supply pin of the active device. For example, the timing diagram of A/D converter output in is shown in. The sampling speed of A/D converter is 40ksps, […]

With the rise of Internet of Things technology, it is more and more common for electronic products to be equipped with wireless communication function, and wireless communication technology is realized by RF circuit on PCB. Unfortunately, even PCB designers in Chengdu are often discouraged from RF circuit, because it will bring great design challenges and […]

The PCB is designed, sent to the board factory for processing, and the next step is “A” (Assembly), which is the process of welding and debugging as we often say. This process requires good soldering ability, correct use of testing and measuring instruments, and standardized debugging process. Finally, it is necessary to test the function […]

The production process of battery FPC is complicated, from cutting and drilling to packaging and shipping, there are more than 20 processes in the middle. In this long production process, according to customer demand, a variety of auxiliary materials will be used. The substrate of FPC is usually double-sided or single-sided copper foil, which is […]

Vias are one of the important components of multilayer printed circuit boards. The cost of drilling usually accounts for only 30% to 40% of the proofing cost of printed circuit boards. From this point of view, it is divided into two parts: a small part as the electrical connection between the layers; The other part […]

Why do I tell you again and again: don’t find those allegro factories to make multilayer boards! Don’t look for allegro factories to make multilayer boards! ! Don’t look for allegro factories to make multilayer boards! ! ! The reason why I am so determined is not because Allegro factory is not good for them, […]