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  • Common causes of howling in switching power supplies (2)

    Common causes of howling in switching power supplies (2)

    Abstract: This article continues from the previous issue to explain the common causes of switching power supply whistling. table of Contents 4. The ground wire of the reference voltage regulator IC TL431 is faulty 5. When no load or very light load 6. When there is no load or the load is too lig...
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  • Common reasons for howling switching power supply (1)

    Common reasons for howling switching power supply (1)

    Abstract: Switching power supply controls the time ratio of switching on and off in the circuit. Maintain a stable circuit voltage output. This is a very common power supply design. But those who have been engaged in the design of switching power supply know that they often hear some whistling so...
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  • A collection of difficulties and solutions in the SMT assembly process

    A collection of difficulties and solutions in the SMT assembly process

    Abstract: Surface mount technology, also known as the SMT assembly process, is a kind of electronic assembly process, which originated in the 1960s. It was originally developed by IBM in the United States and gradually matured in the late 1980s. This technology is to mount PCB components, such as...
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  • PCBA labor and materials-how companies should reduce costs

    PCBA labor and materials-how companies should reduce costs

    For companies, in order to win in the competition, how to reduce the high supply chain cost is very important. By optimizing the supply chain network, some companies have found a way to balance and reduce the supply chain cost and have obtained realistic benefits of reducing Supply chain cost and...
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  • The difference between leaded solder paste and lead-free solder paste

    The difference between leaded solder paste and lead-free solder paste

    Abstract: As the international community has higher and higher requirements for environmentally friendly products, developed countries such as Europe and the United States have RoHS requirements for circuit board assembly. Lead is more harmful to the human body and nature. Therefore, the environm...
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  • Overview of PCB industry development

    Overview of PCB industry development

    Abstract: In 2018, China’s circuit board output value increased from 50.5% in the previous year to 52.4% of the world. China has become the world’s largest PCB producer and is currently one of the regions that can provide the largest PCB production capacity and the most complete produ...
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  • The development trend of Industrial automation skills

    The development trend of Industrial automation skills

    Abstract: In the production process of Industrial automation skills, it can better promote the development of industrial automation skills in our country. It is a combination of the control system and related information skills and an important method for industry development and advancement. Wi...
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  • What are the application areas of the principle of electronic component diode?

    What are the application areas of the principle of electronic component diode?

    Abstract: Electronic component diode is an electronic device made of semiconductor materials (silicon, selenium, germanium, etc.). It has unidirectional conductivity; the principle of Application of diode is introduced below.   table of Contents: 1. Rectification 2. Switch 3. Limit 4. Freewh...
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  • Introduction of Photo-Diode in PCB Components

    Introduction of Photo-Diode in PCB Components

    Abstract: Photo-Diode, like ordinary diodes, is also a semiconductor device composed of a PN junction, and it also has unidirectional conduction characteristics. But in the circuit, it is not used as a rectifier component but a photoelectric sensor device that converts optical signals into electr...
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  • How to Celebrate Employee Birthdays in KINGFORD

    How to Celebrate Employee Birthdays in KINGFORD

    Since its establishment, Kingford has been focusing on PCBA one-stop intelligent R&D and manufacturing. With ingenuity and professional technology, it has provided high-quality services to 1000+ customers at home and abroad; internally focused on employee career planning, improved employee h...
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  • KINGFORD Sales Team in Nankun Mountain

    KINGFORD Sales Team in Nankun Mountain

    KINGFORD is a high-tech enterprise with PCBA intelligent manufacturing oriented, providing PCB design, manufacturing, and components procuring as an auxiliary service to our prospective customers.Kingford has grown continuously in the ten years since its establishment, and now has a team of 100 p...
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  • What is EMS, the difference between EMS, OEM ODM

    What is EMS, the difference between EMS, OEM ODM

    EMS: The abbreviation of Electronic Manufacturing Services,Electronic professional manufacturing services are also known as ECM. It is an emerging industry. It refers to the provision of manufacturing, purchasing, design and logistics services. Compared with traditional OEM or ODM services which...
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