Radio frequency interference (RFI) is interference that occurs at or very close to the frequency of the signal received by the receiver. The adverse effects caused by useless RF signals on the reception and processing of useful signals, which may lead to equipment performance degradation, data transmission errors, and even equipment failure or safety accidents. […]
PCB board to wire connectors (also known as wire-to-board connectors) are used to connect wires to printed circuit boards. These connectors are present in virtually all electronic devices, serving as critical components that establish the necessary electrical connections between the circuit board and other components. They typically comprise two parts: one is the connector terminal
Laser engraving pcb board is a process that employs laser technology to etch and process printed circuit boards. This technique is commonly used for PCB marking, cutting, copper layer removal, or other specific machining requirements. Compared to traditional chemical etching or mechanical machining methods, laser engraving offers advantages such as high precision, rapid processing, non-contact
Black PCB LED strip refers to LED strip lighting products utilising printed circuit boards (PCBs) with black solder mask as their substrate. LED chips and associated electronic components are mounted onto this PCB surface via surface mount technology (SMT). Simply put, it is an LED strip featuring a black circuit board. While structurally and functionally
The Core Role of the Refrigerator PCB Board in Modern Refrigerators In modern home appliance systems, refrigerators are no longer simply refrigeration devices, but complex electronic systems integrating multiple functions such as temperature control, drive, communication, energy management, and intelligent interaction. Behind these functions, the refrigerator PCB board truly plays the role of “central control.”
SMD led pcb board typically refer to circuit carriers employing SMT technology, whereby LED chips and associated electronic components are directly soldered onto the surface of a PCB board. Compared to traditional through-hole circuit boards, this structure eliminates the need for drilling holes to mount components, thereby saving space and enabling higher-density circuit layouts. Core
Printed Circuit Boards (PCBs) are the backbone of electronic devices, providing mechanical support and electrical connections for components. When you think of a PCB, the classic green color might come to mind. But why green, and what are the benefits of using green PCB boards? In this article, we will delve into the reasons behind
Round PCB boards are printed circuit boards shaped into a circular (or near-circular) form. They share identical electrical functionality with conventional rectangular PCBs, differing primarily in structural configuration and application scenarios. Structural Components of Round PCB BoardsSubstrate: Typically composed of insulating materials such as fibreglass-reinforced epoxy (FR-4), providing mechanical support and electrical insulation for the
PCB radar, or printed circuit board radar, denotes a technology employing printed circuit boards to generate and process radar signals. This technology forms a core component of modern meteorological radar systems, enabling meteorologists to collect weather condition data with high precision. The application of PCB boards in radar technology significantly enhances the system’s detection capabilities
Double sided SMT assembly refers to the placement of components on both sides of a PCB. This technique maximises the utilisation of the circuit board’s available space, enabling more complex and compact designs. It represents an advancement over single-sided assembly, which involves mounting components on only one side of the PCB. The core of double
LED strip pcb boards are printed circuit boards (PCBs) specifically designed to mount and connect LED chips and other electronic components, thereby enabling the luminous function of LED strips. An LED strip PCB board is a thin sheet made of insulating material, with conductive pathways etched or printed onto its surface. These pathways connect various
What is milling pcb board? Milling pcb board is a subtractive manufacturing process that removes material from a blank board using a rotating cutting tool to form the circuit paths required for electronic components. This method is particularly suited to rapid and precise prototyping without the need for chemical etching processes. PCB milling employs computer
The dielectric constant (Dk) of RO4350B laminated board has strict tolerance control and low loss characteristics, and its processing method is the same as that of standard epoxy resin/glass. RO4350B laminated board does not require special through-hole treatment or operating procedures like PTFE material, and the processing cost is much lower than traditional microwave laminated
The Fundamental Concepts and Industry Significance of IC Chip Sockets In modern electronic systems, chips are constantly evolving towards higher integration levels, more refined manufacturing processes, and more complex packaging, and the corresponding connection methods are also upgrading accordingly. In the entire electronic manufacturing system, the IC chip socket is a device that is often
In the field of electronic circuit design, the PCB (printed circuit board) serves as the substrate for electronic components, with its performance directly impacting the quality and reliability of the entire electronic product. PCB laminate design, as a critical component of PCB design, functions like the foundational structure of a precision-engineered building, playing a decisive
PCB level shielding refers to design techniques that utilize multiple shielding methods within the internal structure, trace layering, grounding layout, and localized metal shielding of printed circuit boards (PCBs) to reduce electromagnetic interference (EMI) and enhance electromagnetic compatibility (EMC). The objective of PCB level shielding is to employ a series of technical measures to reduce
Within the vast realm of electronic circuits, the printed circuit board (PCB) plays an indispensable role. It serves as both the solid foundation and vital link for electronic components, providing structural support and enabling electrical connections. Its performance, much like the foundations of a building, directly determines the overall quality and reliability of the electronic
Electronic packaging ceramic substrates, leveraging their unique advantages amidst the sweeping tide of continuous innovation in semiconductor technology, occupy a pivotal position in the advancement of power devices. Presently, power devices—particularly third-generation semiconductors—are rapidly emerging and finding widespread application, propelling the entire semiconductor device sector towards high power, miniaturisation, integration, and multifunctionality. This pronounced developmental
What is PCB Contamination? In the electronic manufacturing process, many failure problems do not stem from design errors or component quality, but from a long-underestimated factor—contamination. Understanding what PCB contamination is involves more than simply determining whether the board is “dirty”; it requires recognizing how various seemingly minor residues can gradually erode the reliability of
Glass substrates are regarded as crucial carrier plates for next-generation chip packaging, with glass serving as their core material. The key to realising glass substrate packaging lies in TGV technology. The entire glass substrate industry chain encompasses production, raw materials, equipment, process technology, packaging, testing, and end applications, with production, raw materials, and equipment constituting
PCB laser processing is a manufacturing technique that employs high-energy-density laser beams to mark, cut, or drill holes in printed circuit boards (PCBs), finding extensive application within the electronics manufacturing sector. PCB laser processing is a manufacturing technique that employs high-energy-density laser beams to mark, cut, or drill holes in printed circuit boards (PCBs), finding
In the current era of continuous innovation in electronic technology and increasingly widespread application of high-frequency circuits, high-frequency hybrid boards have distinguished themselves in numerous circuit designs through their unique advantages. Not only do they excel in ensuring high-frequency signal transmission quality and precisely controlling impedance, but they also play a vital role in cost
In this era of rapid advancement in high-speed communications, RF microwave technology, and 5G applications, the selection of high-frequency hybrid-material boards has become a critical issue engineers must confront. The hybrid-material process combining RO4350B with FR4, leveraging its distinctive performance advantages, demonstrates exceptional application value across numerous scenarios. RO4350B is a commonly employed microwave circuit
In traditional semiconductor packaging processes, lead frames serve as the conductive pathways for integrated circuits (ICs) while also functioning as the supporting substrate. The pins are connected to either the sides or the perimeter of the lead frame. However, as semiconductor packaging technology has advanced, conventional packaging formats such as QFP encountered limitations when pin
