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However, compared with developed countries, China’s developing PCB automation equipment industry still has a certain gap. However, among developing countries, China is the largest and most complete country with the strongest comprehensive strength in PCB automation equipment industry. When well-known foreign PCB automation equipment enterprises take root in China, even with the continuous progress of […]

At present, there are signs that the frequency of printed circuit board design is increasing. With the increasing data rate, the bandwidth required for data transmission also makes the upper limit of signal frequency reach 1GHz or even higher. Although this high-frequency signal technology is far beyond the scope of millimeter wave technology (30GHz), it […]

With the development of electronic technology, large-scale and high-precision PCB boards have been widely used, and the mounting density of components on PCB boards is getting higher and higher. Simple single-sided and double-sided wiring can no longer meet the requirements of high-performance circuits, so multilayer PCB boards are needed for wiring. High-frequency circuits tend to […]

As the most general analog device, operational amplifier is widely used in signal conversion and conditioning, ADC sampling front end, power supply circuit and other occasions. Although the peripheral circuit of the operational amplifier is simple, there are still many points needing attention in the use process. 1. Pay attention to whether the input voltage […]

In PCB design, whether to use SMD magnetic beads or SMD inductors mainly focuses on the application scenario. Design pcb The design of printed circuit board is based on the circuit schematic diagram to realize the functions required by circuit designers. The design of printed circuit board mainly refers to layout design, and the layout […]

When designing electronic products, we need to use circuit boards. Circuit boards can be divided into single-panel, double-layer and multi-layer boards according to the number of layers. Generally, double-layer boards are often used. Components can be placed on both sides, and the price is also very cheap. I think ordinary electronic products, industrial control electronics, […]

ESD is what we often call Electro-Stac discharge. From the learned knowledge, we can know that static electricity is a natural phenomenon, which is usually generated by contact, friction, induction between electrical appliances, etc. It is characterized by long-term accumulation, high voltage (which can generate thousands or even tens of thousands of volts of static […]

When designing PCB with PADS Layout, different colors will be set for each layer for easy viewing. In PADS, the top layer is blue by default, and the bottom layer is red by default, which is the opposite of the default color in Altium Designer. Each layer contains many devices, traces, copper foils, etc. You […]

In PCB layout design and wiring, it is required to avoid the situation of right angle wiring as far as possible, which has become one of the standards to measure the quality of wiring, so how much impact will the right angle wiring have on signal transmission? In principle, the right angle wiring designed by […]

1、 Circuit board layout design steps Generally speaking, the basic process of layout design can be divided into three steps. (1) Design of circuit schematic diagram The design of circuit schematic diagram is mainly based on PROTEL099′ s Advanced Schematic system to draw a circuit schematic diagram. In this process, we should make full use […]