Author name: 2PCB

In high-speed PCB design, differential signals are increasingly used, and the most critical signals in the circuit often have to be designed with differential structures. Why is this so? Compared with ordinary single-ended signal routing, differential signals have the advantages of strong anti-interference ability, effective EMI suppression, and precise timing positioning. Requirements for differential signal …

Beware! Three common misunderstandings in PCB differential signal design Read More »

During the application of communication products, overvoltage and overcurrent caused by lightning strikes and other reasons will cause damage to the device ports, so corresponding protection circuits should be designed. Next, 2PCB will introduce the components in the lightning protection circuit and the requirements for the protection circuit in PCB routing. Components in lightning protection …

Lightning protection! Requirements for protection circuits in PCB routing Read More »

In order to reduce crosstalk between lines, the line spacing should be large enough. When the line center spacing is not less than 3 times the line width, 70% of the electric fields can be kept from interfering with each other, which is called the 3W rule. If you want to achieve 98% of the …

Do you know the 3W rule in PCB design? Read More »

As an electronic person, the basic knowledge of digital circuits is something that everyone must master, and the same is true for electronic people who learn PCB design. Today, 2PCB mainly introduces the combinational logic circuits in digital circuits. About combinational logic circuits The circuit that uses digital signals to perform arithmetic and logical operations …

Essential basic knowledge for PCB electronic people: Combinatorial logic circuits of digital circuits Read More »

In all the processes of PCB design, wiring is the most delicate, most restrictive, and most time-consuming. Many engineers spend their daily work “drawing wires” diligently. Next, 2PCB will share some very practical wiring tips with you, hoping to be helpful to you. Wiring tips between power and ground wires (1) Add a decoupling capacitor …

When drawing PCB, here are some very practical wiring tips Read More »

Layout means placing the components on the board reasonably based on comprehensive consideration of signal quality, EMC, thermal design, DFM, DFT, structure, safety regulations and other requirements. In high-speed PCB design, reasonable layout is the first step to successful PCB design. Next, 2PCB will introduce the ideas and principles of PCB layout to you, which …

High-speed PCB design layout ideas and principles, full of practical information! Read More »

Signal integrity (SI) refers to the quality of the signal on the transmission path. With the increase in the output switching speed of integrated circuits and the increase in the density of PCB boards, signal integrity has become one of the issues that must be concerned about in high-speed digital PCB design. How to fully …

Signal integrity issues cannot be avoided by every PCB engineer Read More »

Optocoupler (OC) is also called photoelectric coupler, abbreviated as OC. It is a device that uses light as a medium to transmit electrical signals. Usually, the light emitter (infrared light-emitting diode LED) and the light receiver (photosensitive semiconductor tube) are encapsulated in the same tube shell. When an electrical signal is added to the input …

Understanding Common Electronic Components – Optocoupler (OC) Read More »

At present, high-speed PCB design is widely used in the fields of communication, electronics, computers, graphics and image processing, etc. All high-tech value-added electronic product designs are pursuing miniaturization, lightweight, low power consumption, low electromagnetic radiation, high reliability and other characteristics. In order to achieve the above goals, engineers need to master the key points …

Do you really master the key points of high-speed PCB design? Read More »

#2PCBTechnology held a tug-of-war competition on the Dragon Boat Festival. Everyone strives to do their best for the success of the team, just as hashtag #2PCB strives to do our best for the success of our customers.