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1 System Requirements Analysis
Digital intermediate frequency is an important component of TD-SCDMA base stations. Quantitative analysis of the performance requirements of digital intermediate freq...[Details]
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Recently, South Korea's Magna Semiconductor said that China's Zhilu Fund's acquisition plan for the company will require review by the US Committee on Foreign Investment (CFIUS)! Magna disclosed in...[Details]
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It is suitable for debugging, inspection and use in different occasions. The measuring range is 10cm-250cm. When the distance is less than 100cm, the error is 1~2cm. When it is greater than 100cm, the...[Details]
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On November 22, the key equipment and advanced application control technology of the megawatt-class battery energy storage station of China Southern Power Grid Co., Ltd. passed the expert review, a...[Details]
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In the circuit breaker reliability test equipment, the stability and accuracy of the test power supply is the basis for ensuring the reliability of the test. Otherwise, whether in the circuit breaker ...[Details]
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Circuit According to the circuit diagram, there are 4 LED lights, and the pins are GPM4_0~ GPM4_3. When the IO pin is high level, the LED light is off, and when the IO pin is low level, the LED lig...[Details]
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As countries around the world are leaning towards the new energy battery industry, lithium-ion power batteries, as the ideal energy source for the development of the 21st century, are attracting mo...[Details]
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Pan Jiutang said that due to the special period and the delay in resuming work, there may be a brief gap in subsequent supply (temporary shortage due to inability to connect). Lei Jun said in a...[Details]
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Each GPIO port of STM32 has two special registers, GPIOx_BSRR and GPIOx_BRR registers, through which the corresponding GPIOx port can be directly set to '1' or '0'.
Each of the upper 16 bits of GPI...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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1. Problem description: Use STM32CubeMX, configure SDIO 4-bit mode, and perform read and write tests on the SD card. 2. Preparation: Software version: STM32CubeMX–4.22.0; KEIL5 Hardware platform: At...[Details]
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1 Introduction With the development of the electronics industry, the number of electronic components has increased dramatically, and the scope of application of electronic components has graduall...[Details]
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Preface
This chapter uses a constant voltage-frequency ratio open-loop control method to drive the rotation of a permanent magnet synchronous motor. First, the control principle of the constan...[Details]
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When making critical measurements with an oscilloscope , it is important to select a probe with adequate bandwidth. Insufficient bandwidth can distort your signals and make it difficult for you to...[Details]
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International New Energy Network: PV inverter leader SMA Solar Technology said recently that it will not achieve its full-year revenue target due to pricing pressure and further unexpected weakness...[Details]
Analogue and Mixed Signal
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