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LeCroy oscilloscopes based on the innovative X-Stream architecture have a unique feature that allows users to limit the measurement range when using automatic measurement parameters. In addition to...[Details]
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UL94 horizontal and vertical combustion tester is mainly used to measure the combustion performance of plastics, rubber or films under specified fire sources to determine their fire resistance level....[Details]
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vTo make cars more fuel efficient, they must be light, but it is equally important that they are strong. To achieve both goals, modern car panels are made of a combination of a metal surface layer and...[Details]
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I am using the TQ2440 development board, and this program is based on Wei Dongshan's. 4 LED lights The following are the drivers #include linux/module.h #include linux/kernel.h #include linux/fs.h ...[Details]
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introduction An important performance indicator in multi-channel output technology is the problem of load cross-regulation rate. We usually use the method of multiple windings on the secondary ...[Details]
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es2010 double clamp phase voltammeter can measure AC voltage, current, phase and frequency. Clamp size: φ7.5mm, phase range: 0.0~360°, current range: 0.0ma~20.0a, voltage range: 0.00v~600v , the bigg...[Details]
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On January 8, the unified power flow controller (UPFC) international standard research team of State Grid Jiangsu Electric Power Co., Ltd. completed the preparation of the working group draft of th...[Details]
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summary
Phase-locked loops (PLLs) are the basic building blocks of modern communication systems. PLLs are commonly used in radio receivers or transmitters, primarily providing the "local oscil...[Details]
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In the ISO international standard "ISO6469-3:2001 Electric Vehicle Safety Technical Specification Part 3 "Protection of Personnel from Electrical Injuries", it is stipulated that the high-voltage c...[Details]
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The
power
switch
device
in the power conversion device
can generally
be driven
directly
or isolated
according
to the
main
circuit
. Isolation drive can be divided ...[Details]
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On November 17, 2020, Huawei released a statement on its official website, officially confirming the sale of Honor. Huawei said that the reason for selling Honor was mainly to allow Honor channels an...[Details]
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The float level gauge is a common liquid level measuring instrument. It is widely used in the automated production of modern industry due to its ease of use, low cost and good stability. However, dur...[Details]
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On Semi's NCP1219 is a PWM controller featuring dynamic self-biased supply. It has excellent standby power consumption and adopts fixed frequency current mode operation with slope compensation. The...[Details]
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Huawei wants to become the world's number one smartphone brand and has decided to enter the world's fourth largest smartphone market - Brazil. In addition to launching flagship phones locally, it may...[Details]
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Concept diagram of the latest electromagnetic wave absorption and shielding materials. Image source: Korea Institute of Materials Science
Scientists at the Korea Institute of M...[Details]