Here you'll find insights into PCB design, tech trends, assembly issues, and trending topics
in the general news media as they relate to printed circuit board technology.
As experts in the manufacture and assembly of printed circuit boards, we work to make our blog a helpful resource on PCB topics and the industries that we work with, including automotive, consumer electronics, aerospace and many more.
In SoC design, the coupling between signals can cause signal integrity problems. Neglecting signal integrity problems can lead to crosstalk between signals, and reliability, manufacturability and system performance will also be reduced.
At present, electronic equipment is used in various electronic devices and systems, and printed circuit boards are still the main assembly method. Practice has proved that even if the schematic design of the circuit is correct and the printed circuit board is not properly designed, it will adversely affect the reliability of the electronic device. For example, if the two thin parallel lines of the printed board are in close proximity, a delay in the signal waveform is formed, and reflected noise is formed at the end of the transmission line. Therefore, when designing a printed circuit board, care should be taken to use the correct method.
Throughout the successful electronic products, we must have five characteristics: one is stable in performance; two is beautiful in appearance; three is easy to apply; four is reasonable in cost; five is convenient for mass production; and it is not a successful product. These five points are related to the layout. In other words, a good and reasonable layout is to fully consider the above five points, so the layout is a very important part of the success of the product.
Electromagnetic compatibility refers to the ability of an electronic device to work in a coordinated and efficient manner in various electromagnetic environments. The purpose of the electromagnetic compatibility design is to enable the electronic device to suppress various external interferences, enable the electronic device to work normally in a specific electromagnetic environment, and at the same time reduce the electromagnetic interference of the electronic device itself to other electronic devices.
1. The corner of the transmission line should be at a 45° angle to reduce the return loss.
1. Power and ground processing
It must be considered from the following aspects:
PCB design partition can be decomposed into physical partitions and electrical partitions. Physical partitioning mainly involves component layout, orientation, and shielding; electrical partitioning can continue to be broken down into partitions for power distribution, RF traces, sensitive circuits and signals, and grounding.
The increase in the functionality of the mobile phone requires higher design of the PCB.
After floating copper automatically, the floating copper fills the blank space according to the position of the device on the board and the layout of the traces.
Using PROTEL to draw the schematic diagram, the netlist generated when making the board is always wrong and cannot automatically generate the PCB board. What is the reason?
When the cloth clock, it is necessary to both sides to increase the shielding?
A circuit consists of a few pcb board, they should be common
How to deal with the layout, wiring to ensure the stability of the signal above 50M
46. How to carry on SI analysis to the connector?
For the PCB of all digital signals, there is a 80MHz clock source on the board. In addition to the use of wire mesh (grounding), what kind of circuit should be adopted to ensure adequate driving capacity?
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