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Common oscilloscopes on the market have spectrum display functions. This mainly uses Fourier transform (FFT) to convert the time domain and frequency domain. However, the FFT and spectrum analyzer of...[Details]
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Purpose: Make the LED light of my development board flash on and off Experimental Procedure: /*******************************led.c*********************************/ #include "stm32f4xx.h" // ...[Details]
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The "Development Status and Trends of China's Medical Device Industry" report released by Roland Berger, an international management consulting company, shows that China's medical device market is ex...[Details]
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The Guangzhou Auto Show has come to an end. This is a carnival for new energy vehicle manufacturers, which also confirms the current strong position of domestic manufacturers from the side. During th...[Details]
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Jiwei.com reports that we have gone through 2020 with the global spread of the COVID-19 pandemic and the uncertain changes in the international trade situation. What is exciting is that driven by the...[Details]
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1. Keysight Technologies oscilloscope types: analog (DRT), digital (DSO), digital-analog compatible (DPO) (II) Keysight Technologies Oscilloscope Calibration Main Parameters ——Vertical amplitude ——...[Details]
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PLC can change the program. Most of the current single-chip microcomputers (with internal FLASH ROM) can burn and change the program online, so its function is the same as PLC. Of course, there are al...[Details]
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By Yang Dongwei, Chairman and Party Secretary of State Grid E-Commerce Co., Ltd. (State Grid Xiong'an Financial Technology Group)
At present, the construction of the ubiquitous power Internet ...[Details]
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In DC circuits, the most commonly used technology is DC-DC, which can convert electrical energy of one voltage value into electrical energy of another voltage value. The DC-DC converter module in p...[Details]
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1. Power on precautions: Boot steps: (A) First, power the load with AC bypass; (B) After confirming that there is no output line short circuit and no overload, start the machine without load; ...[Details]
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How to test the quality of film capacitors 1. First look at the appearance. If there is a problem with the appearance, the film capacitor is likely to have a problem. 2. Use the resistance ra...[Details]
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On August 12, Wang Jun, president of Huawei's Intelligent Automotive Solutions BU, revealed that Huawei has an optoelectronic technology research center in Wuhan with a total of more than 10,000 peo...[Details]
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Recently, the Ministry of Science and Technology is stepping up the research and deployment of the construction of three comprehensive national technology innovation centers, including the Beijing-Ti...[Details]
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1. Overview of the operation of the cooling system of 220KV No. 1 transformer
Huashan, our province
The No. 1 main transformer of the 220KV transformer station
of the substation
...[Details]
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Self-protection device R25 with 1.5 kΩ resistance, can handle voltages up to 1200 VDC, has an energy absorption capacity of 340 J, and reduces component count
MALVERN, Pennsylvania, ...[Details]
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