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1. Oscilloscope amplitude-frequency characteristic curve based on RC theoretical model
The bandwidth of an oscilloscope is called the first indicator of the oscilloscope, and the amplitude-frequency ...[Details]
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Seeing that many people have added wireless receivers to their phones and turned them into wireless chargers, I was eager to try it, but the object of my modification is a power bank. I believe thi...[Details]
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Recently, the Chinese Society for Electrical Engineering announced the list of winners of the 2024 Electric Power Science and Technology Award. Tan Yaosheng, deputy director of the Multi-Energy Com...[Details]
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Compared with batteries, supercapacitors have many advantages, such as wide operating temperature (from -40℃ to +70℃), high energy density (up to 5kWh/kg), and green raw materials. And its lifespan i...[Details]
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External reset is generated by a low level applied to the RESET pin. When the reset low level duration is greater than the minimum pulse width (see Table 12), the reset process is triggered, even if ...[Details]
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Abstract: This paper introduces a practical circuit based on the highly integrated DC/DC power supply control chip DPA426.
Keywords: DC/DC conversion; control chip DPA426; application
0 ...[Details]
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The "OFweek 2024 (13th) China Robot Industry Conference" hosted by OFweek, a Chinese high-tech portal, and organized by OFweek Robotics
was
successfully held in Shenzhen from April 18 to 19...[Details]
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Yesterday, I finally managed to successfully run the cross-compilation environment, transplant the kernel, and create the root file system on the arm development board. Some steps went smoothly, but ...[Details]
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According to the latest news, Alibaba will launch Arm architecture chips for the server market, becoming another Chinese technology company to develop its own server CPU. It is understood that the ch...[Details]
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Preface: Recently, I started to design a brushless DC motor electronic speed regulator. Referring to some information on the Internet, I chose the Atmega8A-AU microcontroller as the main control chip...[Details]
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The electronic control circuit of electronic technology often adopts CMOS logic control system. Through years of maintenance practice, we have designed and installed a simple integrated logic gate ci...[Details]
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This article describes the mapping of kernel space during Linux system startup.
During the Linux system kernel startup process, the page table will be established in the start_kernel() - setup_arch(...[Details]
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The motor control circuit uses an H-type drive circuit composed of high-power transistors BDl39 and BDl40. The single-chip microcomputer generates PWM pulses with different duty cycles to accurately ...[Details]
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Since the second half of last year, chip shortages have become the biggest problem plaguing all automakers. Many companies have therefore lowered their delivery expectations and extended delivery tim...[Details]
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According to Reuters, on Monday, May 13, local time in the United States, after imposing a 25% tariff on $200 billion worth of Chinese goods, the United States is planning a fourth round of tariffs o...[Details]
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