CN

Stock Code:800328

QINGDAO JIAEN SEMICONDUCTOR CO., LTD

  • Qingdao Talent Fund has inspected and connected more than 100 talent projects, driving social capital investment of nearly 200 million yuan
    2022.07.09

    Qingdao Talent Fund has inspected and connected more than 100 talent projects, driving social capital investment of nearly 200 million yuan

    Up to now, Qingdao "Talent Fund" has inspected and connected more than 100 talent projects, and has reserved more than 20 talent projects or plans to invest in talent projects. Invest 40 million yuan, and jointly drive social capital to invest nearly 200 million yuan in talent projects.

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  • Soldering requirements for electronic components
    2022.07.02

    Soldering requirements for electronic components

    Install the resistor in the specified position according to the diagram. The mark is required to be upward and the word direction is consistent. After installing the same specification, install another specification, and try to make the resistors as high and low as possible. After soldering, cut off the excess pins exposed on the surface of the printed circuit board.

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  • Thermal Conditions in Electronics - Steady State Analysis
    2022.06.24

    Thermal Conditions in Electronics - Steady State Analysis

    In the field of electronics, especially in the field of PCBA, thermal conditions are critical to the life cycle, performance and function of the device. Environmental conditions often affect how designers lay out their components on a PCB.

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  • What are the basic knowledge of electronic components
    2022.06.14

    What are the basic knowledge of electronic components

    The resistance in the circuit is represented by R and a number, such as R15 means a resistance of 15. The main functions of resistors in a circuit are shunt, current limit, voltage divider, bias, filter (used with capacitors) and resistor matching.

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  • Up to 1 million! 27 high-growth companies in Chengyang plan to receive financial incentives
    2022.06.09

    Up to 1 million! 27 high-growth companies in Chengyang plan to receive financial incentives

    Recently, according to Qingdao's "Opinions on Supporting the Reform and Development of Private Enterprises and Small and Medium-sized Enterprises" (Qingfa [2020] No. 14) and Chengyang District's "Implementation Opinions on Supporting the Reform and Development of Private Economy and Small- and Medium-Sized Enterprises" ” (Chengfa [2020] No. 18) and other documents, Chengyang District Bureau of Industry and Information Technology will be awarded the honorary titles of “Gazelle” in Shandong Province, “Specialized and Specialized New” in Shandong Province, and “Invisible Champion” in Qingdao in 2021. 27 high-growth companies are to be rewarded with funds. The maximum reward for a single company is 1 million yuan, and the cumulative amount is more than 22 million yuan.

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  • Parameter and test of FET
    2022.05.31

    Parameter and test of FET

    In fact, there are many parameters related to FETs, including DC parameters, AC parameters and limit parameters, but generally pay attention to the following main parameters:

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