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若需控制LED亮度，就必须具备能够提供恒定、稳压电流的驱动器。而要达到此目标，驱动器拓朴必须能产生足够的输出电压来顺向偏置LED。那么当输入和输出电压范围重叠时，设计人员又该如何选择呢?转换器有时可能需要逐渐降低输入电压，但有时也可能需要升高输出电压。以上情况通常出现在那些具有大范围"脏"(dirty)输入功率来源的应用中，例如车载系统。在这种降压/升压的操作中，几种拓朴可以达到较好的效果，...[Details]
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Six years ago, 100% of the payments were made in cash when dining out or shopping; three years ago, most of the payments were made by credit card; now, when dining out or shopping, most of the pay...[Details]
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Recently, Shanghai Luxin Electronic Technology Co., Ltd. launched 650V & 1200V Hybrid IGBT single-tube series products (40A-75A), targeting applications such as on-board chargers (OBC), photovoltaic ...[Details]
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E-works Digital Enterprise announced the list of "2020 China Manufacturing Benchmark Smart Factory (First Batch)". Advantech, a global industrial IoT manufacturer, has made it onto the list with its ...[Details]
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OnePlus has officially confirmed that the OnePlus 8T 5G will feature the new Warp Charge 65 fast charging solution. This is the company's fastest charging technology to date, charging more than twice...[Details]
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According to the latest data from data research firm Counterpoint Research, Apple continues to dominate the global true wireless headset market, and Apple's wireless headset shipments are expected to...[Details]
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It took only 15 months for Nawei Technology to go from investing in the construction of an 8-inch gallium nitride (GaN) epitaxial material project to its official production. The rapid progress has g...[Details]
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In recent years, with the continuous development of the automotive industry and the acceleration of the electrification trend, innovation in the field of automotive electronics has also been changing...[Details]
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Since S3C2410 is a 32-bit processor (an instruction can operate 32 bits of data at a time (the arithmetic unit can process 32 bits of data at a time); most general registers are 32-bit registers; the...[Details]
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When I use IAR for stm8 go to define, I cannot jump, and the compiler does not give any prompts. I searched Baidu for many solutions but none of them worked. Finally, I found that I had to compile it...[Details]
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The oscilloscope is also called a handheld oscilloscope, which is easy to carry and easy to operate. It can transform invisible electrical signals into visible images, making it easier for people t...[Details]
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// Parameter: wAddr is address, range 0x1000~0xFFFF
void ReadFlash(U16 wAddr,U8 *bBuf,U8 bLen)
{
while (bLen--)
*bBuf++=*(U8 *)wAddr++;
return;
}
void WriteFlash(U16 wAddr,...[Details]
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The command to compile the Linux kernel code that can be run by uboot is make uImage. The following is a detailed description of the process of generating linux-2.6.22.6/arch/arm/boot/uImage:
...[Details]
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DS2770 is a battery fuel gauge and lithium-based and nickel-based chemical battery charger control integrated chip produced by Dallas Semiconductor. It can communicate with the power management sys...[Details]
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Central topics: Application of supercapacitors in rectification and filtering Solution: Basic requirements for capacitors for rectification and filtering Supercapacitors are used for rectification...[Details]
Analog electronics
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