I believe that many people will confuse flux paste with solder paste. In fact, they are different. Solder paste is tin paste. Its main component is a paste composed of metal alloy powder. But flux paste is different. It mainly plays a role of flux. Its main components are rosin, activator and solvent. A certain […]
With the rapid development of communication technology, high-frequency bandpass filters (HF Bandpass Filter) are increasingly used in wireless communication, radar, audio processing and other fields.As an electronic component that allows signals in a specific frequency band to pass through and suppresses signals in other frequency bands, high-frequency bandpass filters occupy an important position in modern
Wave soldering, also known as surge wave soldering, is a method of forming wave-like peaks through molten solder, so that the pads and component pins on the circuit board can be soldered as they pass through the peaks of the solder wave. The core of the solder tank is continuously heated and maintain a certain
In the pcba assembly process, welding is a key step in connecting various components together. In order to ensure the quality and effect of welding, pcba pre-soldering preheating becomes a link that cannot be ignored. What is PCBA pre-soldering heat?When technicians and practitioners hear the term ‘temperature profile’, smt reflow soldering comes to mind. Along
Soldering wire precisely and securely to a pcb board is a fundamental and critical skill in the assembly and repair of electronic equipment. Whether you’re a DIY enthusiast or a professional electronics engineer,mastering this technique can greatly improve your work efficiency and project success rate.In this article,we will take you step by step through the
In circuit board repair, a DC regulated power supply is often needed to supply power to the circuit board in order to test the working condition of the circuit. There are a variety of DC regulated power supplies on the market,different output voltage levels and different current ratings,we most commonly used voltage 30V5A DC adjustable
Printed circuit board repair, as an important part of the maintenance of electronic equipment, is vital to ensure the proper functioning of the equipment. It is important to understand the basic components of a circuit board. Circuit boards are usually made up of wires, electronic components and solder joints. The wires are used to carry
As electronic devices continue to develop towards miniaturization, high performance and low power consumption, BGA (Ball Grid Array) circuit board technology has gradually become an important part of modern electronic products.As an advanced integrated circuit packaging technology, BGA packaging has the advantage of providing higher integration and better heat dissipation performance, and is widely used
Double sided ceramic pcb board, also known as double sided ceramic circuit board, is commonly found in many electronic products that are used on a daily basis. While single-sided ceramic circuit boards have a conductive surface, double sided ceramic pcb boards have a conductive layer on each side. Compared to single-sided ceramic circuit boards, an
The graphics transfer step in the double sided PCB board manufacturing process is a critical part of the process to accurately reproduce the designed circuit pattern onto the copper board. Common Graphics Transfer Methods. Flow of Pattern Plating. The difference between graphic transfer and graphic plating: Double sided pcb board graphic transfer and graphic plating
DCC adapter pcb board is an important piece of equipment designed for model railway enthusiasts and professional engineers to enable conversion between digital control systems and analogue signals.These pcb boards are typically used to convert a DC power supply into a DCC signal suitable for digital train controllers,allowing for more efficient and accurate model railway
The hard disk circuit board is an important part of the hard disk and one of the core components for data storage and reading and writing. It connects the mechanical parts of the hard disk, such as the disk and magnetic head, and manages and controls the operation of the hard disk. With the development
FR-4 fixture, its core material is FR-4 glass fibre board, which is a composite material with epoxy resin as the binder and electronic grade glass fibre cloth as the reinforcing material. This material not only has high mechanical strength and stable dielectric constant, but also maintains excellent electrical insulation performance under high temperature and high
Welding paste is a homogeneous mixture, a paste with a certain viscosity and good thixotropy, which is a mixture of alloy solder powder, paste flux and some additives. It is a homogeneous and stable mixture. At room temperature, welding paste can initially stick electronic components to a given position. When the welding paste is heated
The Printed Circuit Board Heat Exchanger (PCB-HEX) is a highly efficient compact heat exchanger manufactured using printed circuit board technology, which is characterised by the fact that the metal wires and tubes are printed directly onto a thin-film substrate, and the structural design is similar to that of a traditional printed circuit board, hence the
While it is true that there are some generally applicable basic processes in the PCB board industry, it is even more critical to carefully select and determine the appropriate production processes and equipment based on the thickness and material of the substrate, the precise standard of line width and spacing, the design architecture,the scale of
In the field of electronics manufacturing, PCBA chip processing constitutes a core link in the product manufacturing process, and plays a decisive role in the performance, stability and durability of electronic products. Stability and durability play a decisive role in the performance of electronic products, stability and durability.PCBA chip processing of pcb boards set a
What is an amplifier board? As the name implies, an amplifier PCB is a circuit that can “amplify” a specific input signal. Amplification means obtaining an enhanced signal gain using an electronic circuit. Amplitude gain is usually calculated by obtaining the ratio of the output signal and the input signal. The most common amplifier component
PCB soldering precautions1.EDA365 electronic community suggests that the first task after obtaining the PCB bare board is to carry out visual inspection to confirm that there are no short circuits, broken circuits and other defects, and in-depth understanding of the development board schematic, and PCB screen printing layer carefully compared to ensure that the two
The production process for double sided pcb board consists of several stages, each of which may face a number of technical challenges.The following are some of the major challenges: Design complexity:Double sided pcb board require circuitry to be laid out on two levels,which greatly increases the difficulty of the design.Designers must ensure that the circuits
In the design of modern electronic products, audio input and output are very important, especially in the design of audio equipment. As part of the audio equipment, the mono input jack is often used to receive audio signals from external devices. In order for figuring out how to wire pcb mono input jack properly, we
What does ctr stand for on a pcb? The current transfer ratio (CTR) is a critical parameter in electronic design and component selection, especially in optocouplers, where CTR not only determines the performance of the optocoupler, but also affects the stability and efficiency of the overall circuit. The current transfer ratio (CTR) refers to the
Can you use ac in a pcb? Circuit boards can use either AC or DC as a power source, depending on the design and purpose of the board. Some circuit boards require AC power, such as televisions and stereos in household appliances, which require AC power to function properly. And some circuit boards require the
In PCB design,pads as a bridge connecting components and circuit boards, its type and design standards are critical. Different types of pcb pads are suitable for different components and application scenarios, while reasonable design standards ensure soldering reliability and board performance. Common pcb pad types:Square pads: suitable for large and small number of components, as
