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2021-08-17
Use the schematic design tool to draw the schematic and generate the corresponding network table. Of course, in some special cases, you can directly enter the PCB design system without the schematic design in the case of the existing network table. In the PCB design system, you can directly take the parts and package and manually generate the network table.
1 words beforeIntegrated circuit packaging substrate can also be called IC packaging substrate (IC PCB), IC seal loading...
PCB board specific those types?From bottom to top, the grade is divided as follows:94HB, 94VO, 22F, CEM-1, CEM-3, FR-4De...
2021-08-16
PCB interconnection design technology includes testing, simulation and various related standards, among which testing is a method and means to verify the results of various simulation analysis. Excellent test methods and methods are necessary to ensure the design and analysis of PCB interconnections.
In order to reduce crosstalk between lines in PCB design, the line spacing should be large enough.
With the rapid development of electronic products, this requires the characteristic impedance control of the PCB used to achieve high precision. Taking the progress of high-speed computers as an example, it can illustrate the development trend of this demand.
In PCB board design, wiring is an important step to complete product design. It can be said that the previous preparations are done for it. In the entire PCB board design, the wiring design process is the most restrictive, the skills are the smallest, and the workload is the largest.
With the development of power electronics technology, switching power supply modules have begun to replace traditional rectifier power supplies and are widely used in various fields of society due to their relatively small size.
In high-speed design, the characteristic impedance of controllable impedance boards and lines is one of the most important and common problems. The key to a line becoming a "good performance" transmission line is to keep its characteristic impedance constant throughout the line.
Differential signals are used more and more widely in high-speed PCB wiring. The most critical signals in circuits are often designed with a differential structure.
There are many ways to solve EMI problems. Modern EMI suppression methods include: using EMI suppression coatings, selecting appropriate EMI suppression parts, and EMI simulation design. Starting from the most basic PCB layout, this article discusses the role and design techniques of PCB layered stacking in controlling EMI radiation.
PCB design experience, wiring is an important step to complete product design. The quality of PCB wiring directly affect...
2021-08-14
Protel DXP is the first board-level design system that integrates all design tools. Electronic designers can implement their own design methods from the initial project module planning to the final production data. And it has all the advanced design features of today, and can handle all kinds of complicated PCB board design process.
What problems should be paid attention to in the pcb Layout of the mobile phone, and does the display part need to be wired?
Although the current EDA tools are very powerful, as the PCB size requirements are getting smaller and the device density is getting higher and higher, the difficulty of PCB design is not small. How to achieve a high PCB layout rate and shorten the design time? This article introduces the design skills and key points of PCB planning, layout and wiring.
The anti-jamming design principles of PCB board drawing, when doing PCB design, must abide by the general principles of PCB design, and should meet the requirements of anti-jamming design.
There are many inexperienced engineers in the electronics industry. The PCB boards that are designed often have various problems due to the neglect of certain checks in the later stage of the design. The most important step in the later stage of the PCB board design is inspection.
High-speed and high-density has gradually become one of the significant development trends of many modern electronic products, and high-speed and high-density PCB design technology has become an important research field.
The general PCB design experience process is as follows: preliminary preparation -> PCB structure design -> PCB layout -> wiring -> wiring optimization and silk printing -> network and DRC inspection and structure inspection -> plate making.
2021-08-13
IC packaging relies on PCB heat dissipation. Generally speaking, PCB is the main cooling method for high power consumption semiconductor devices.
