PCB design: Is copper coating “more advantages than disadvantages” or “more disadvantages than advantages”?
As an important part of PCB design, copper coating, whether it is domestic Qingyuefeng PCB design software or some foreign…
Four common methods for analyzing circuits
Electronic circuit diagrams are used to represent the composition, structure, nominal value of components and other information of actual electronic…
Sources, hazards and protection measures of surges
According to statistics, in the United States: the direct losses caused by surges to various industries, such as shutdowns, time…
9 tips for basic PCB board testing
When testing PCB boards, we should pay attention to some details in order to better ensure product quality. When testing…
Common problems and improvement suggestions for mobile phone electromagnetic compatibility testing
This article analyzes the common problems in mobile phone electromagnetic compatibility testing, including electrostatic discharge immunity test, electrical fast transient…
EMI solutions in multi-layer PCB design
There are many ways to solve EMI problems. Modern EMI suppression methods include: using EMI suppression coatings, selecting appropriate EMI…
A brief discussion of several major elements of post-design inspection
When a PCB board has completed layout and routing, and the connectivity and spacing are checked without error, is the…
Lifting the “veil” of electromagnetic compatibility of PCB boards
some people say that there are only two types of electronic engineers in the world:those who have experienced electromagnetic interference…
Three wiring skills for PCB high-speed signal circuit design
PCB board design is a compulsory course for electronic engineers, and it is not as easy as it seems to…
How to solve the EMI problem in multi-layer PCB design?
Power bus Reasonably placing capacitors of appropriate capacity near the power pins of IC can make the jump of IC…
Several misunderstandings about differential signal layout on PCB
Misunderstanding 1 It is believed that differential signals do not need a ground plane as a return path, or that…
PCB Etching Process and Process Control
The process of printed circuit board from light board to circuit pattern is a relatively complex physical and chemical reaction…
Only after learning the basics can you start circuit design
Embedded design is a huge project. Today, let’s talk about several precautions in hardware circuit design. First, let’s understand the…
High-speed PCB design series basic knowledge 62 | General Checklist inspection
The last issue explained the common DRC and correction methods in PCB design. This issue introduces what aspects are included…
The difference between parallel and serial and the system synchronization method of parallel communication
The parallel signals and serial signals referred to in this article include the transmission (communication) method, the interface type, and…
