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High-precision PCB refers to the adoption of technologies such as fine line width/spacing, tiny holes, narrow ring width (or no ring width) and buried and blind holes to achieve high density. And high precision means that the result of “thin, small, narrow and thin” will inevitably bring high precision requirements. Take the line width as […]

With the progress of society and the development of science and technology, new electronic products are constantly emerging, which makes the application field and market of printed circuit board (PCB) products constantly expanding, and at the same time, the demand for electronic information processing of all kinds of products is gradually increasing. When the demand […]

In PCB circuit design, there will be times when IC needs to be replaced. Here’s to share the skills of IC replacement, so as to help designers to be more perfect in PCB circuit design. Direct substitution Direct replacement refers to the direct replacement of the original IC with other IC without any change, which […]

Digital system designers may be familiar with some RF components and wiring styles, but there is more to RF circuit design. RF circuits can include integrated circuits, discrete semiconductors, and printed RF components, which work together to produce desired functions. RF circuit design involves combining all these elements to build the whole system and create […]

What problems should be paid attention to in the pcb Layout of mobile phones, and do the display parts need to be wired? 1: device device Layer2： signal Most of the address and data signal, and some analog lines (corresponding to the ground of layer 3). Layer3： GND part of the wiring (including the keyboard […]

Today, from the perspective of soldering, let’s talk about what points should be paid attention to when designing PCB. 1. Factors affecting PCB welding quality From PCB design to the completion of all components welding, to become a high-quality circuit board requires the control of PCB engineers, welding process, welding workers and many other links. […]

Include the development of PCBs that drive electronic devices and generally control mechanical and pneumatic operations. It brings special challenges to space PCB manufacturing, and these challenges must be overcome to ensure that aerospace systems can complete their tasks safely and reliably. For the manufacture of plates, these are mainly related to the maintenance of […]

Generally, the design current of PCB will not exceed 10A or even 5A. Especially in household and consumer electronics, the continuous working current on PCB usually does not exceed 2A. Recently, however, the company’s products should be designed with a power line, and the continuous current can reach about 80A. Considering the instantaneous current and […]

Etching process is one of the basic steps in PCB production. Simply speaking, it is the process that the base copper is covered by the resist layer, and the copper that is not protected by the resist layer reacts with the etchant, so that it is bitten off, and finally the design circuit pattern and […]

Matters needing attention in the design of the clock on the circuit board are mainly considered from three aspects. 1. PCB layout 1) the clock crystal and related circuits should be arranged in the center of the PCB with a good stratum, not near the I/O interface. The clock generation circuit can not be made […]