1.Unclear definition of processing level Single-sided board design is on the TOP layer. If it is not explained whether to do it on the front and back, the board may not be easy to solder when the device is installed. 2.Large area copper foil is too close to the outer frame The large area copper…
The complete PCB we envision is usually a neat rectangular shape. While most designs are indeed rectangular, many designs require irregular shaped boards, which are often not easy to design. This article describes how to design irregular shaped PCBs. Today, PCBs are shrinking in size, with more and more features on the board, and with…
Talk about the reliability principles of circuit design and PCB wiring that you don’t know At present, electronic equipment used in various electronic equipment and systems still uses printed circuit boards as the main assembly method. Practice has proved that even if the circuit schematic is designed correctly, improper printed circuit board design will have…
Printed circuit board (PCB) design refers to the design of schematic drawings, circuit layout, and production of circuit boards at the lowest possible cost. In the past, this usually required the help of expensive special tools, but now, with the increasing popularity of free high-performance software tools – such as DesignSpark PCB – and design…
PCB Layout for Switching Regulator Design Switch-mode power supplies are used to convert one voltage to another. The efficiency of this type of power supply is usually very high, so in many applications, it replaces linear regulators. Switching Frequency and Switching Transitions Switching-mode power supplies operate at a certain switching frequency. The switching frequency can…
In PCB wiring design, there is a complete set of methods to improve the wiring rate. Here, we provide you with effective techniques to improve the wiring rate and design efficiency of PCB design, which can not only save customers project development cycle, but also maximize the quality of the finished design. 1.Determine the number…
RF (RF) PCB design has many uncertainties in the currently published theories and is often described as a “black art”. Generally speaking, for circuits below the microwave frequency band (including low-frequency and low-frequency digital circuits), careful planning under the premise of fully mastering various design principles is the guarantee of a one-time successful design. For…
PCB wiring is very important in the entire PCB design. How to achieve fast and efficient wiring and make your PCB wiring look high-end is worth studying and learning. 7 aspects that need to be paid attention to in PCB wiring are sorted out. Come and check for omissions! 1.Common ground processing of digital circuits…
Electronic engineers refer to senior engineering and technical personnel engaged in research, teaching, product design, scientific and technological development, production and management of various electronic equipment and information systems. They are generally divided into hardware engineers and software engineers. Hardware engineers: mainly responsible for circuit analysis and design; and use computer software as a tool…
PCB multilayer boards are a special type of printed circuit board. Their “location” is usually quite special. For example, there are PCB multilayer boards in circuit boards. This type of multilayer board can help the machine conduct various circuits. Not only that, it can also play an insulating role, so that electricity will not collide…
Since 2018,China has vigorously implemented environmental protection regulations,and the most notable things include two things: one is whether the normal production of overseas PCB industry has been affected, and the other is that small and medium-sized PCB factories in the mainland are unable to bear the load and therefore close the factory, and the direction…
Hot Air Solder Leveling, also known as spray tinning, works by using hot air to remove excess solder from the surface of the printed board and holes. The remaining solder evenly covers the pads and the non-resistive solder lines and surface package points. Hot air leveling process is relatively simple, mainly: put plate (sticky gold…
In 2018, Sino-US trade friction broke out, and the United States began to suppress China from all aspects, especially in China’s high-tech field. As a first-class science and technology power, the United States has a large number of core technologies covering all aspects of the science and technology field. Taking advantage of this advantage, the…
In the circuit principle design stage, in order to reduce mutual interference between circuits, engineers generally introduce different GND ground wires as 0V reference points for different functional circuits to form different current loops. 1.Classification of GND ground wires 2.A detailed study of the principle of GND How can a ground wire GND have so…
Switching regulators for voltage conversion typically use inductors to temporarily store energy. These inductors are usually very large and must be located in the printed circuit board (PCB) layout of the switching regulator. This task is not difficult because the current through the inductor may change, but it is not instantaneous, it may be continuous,…