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On July 4, Guangdong Junya issued an announcement on the expected increase in 2021 semi-annual performance. According to preliminary calculations by the financial department, the net profit attributa...[Details]
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Probe bandwidth Similar to the definition of oscilloscope bandwidth, the definition of probe bandwidth is also the frequency point at which the amplitude of a sine wave drops to -3dB after passing th...[Details]
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ADI's ADF4158 PLL Synthesizer
ADI's latest ADF4158 PLL synthesizer can flexibly and cost-effectively implement FMCW (frequency modulated continuous wave) radar systems. FMCW radar systems ...[Details]
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A variable frequency motor refers to a motor that can continuously run at 100% of the rated load in the range of 10% to 100% of the rated speed under standard environmental conditions, and the temp...[Details]
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After talking about the boot mode and flashing updates, let's take a look at the boot process. See: S5PV210 Development -- Burning/Booting Mode See: S5PV210 Development -- Burning via SD Card S...[Details]
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The linear voltage regulators of new portable electronic products often use lower working voltage, such as 3.0~3.3V, and must meet the requirements of small size, low voltage difference, high outpu...[Details]
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On November 17, senior executives of Xiaomi Group went to Wuxi for inspection. Wuxi Municipal Party Committee Secretary Huang Qin met with Xiaomi Group partner and president Wang Xiang and his delega...[Details]
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Autonomous driving is a major trend in the automotive industry and an important application area of artificial intelligence technology. As the world's leading new energy vehicle manufacturer, Tesla...[Details]
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The most critical parts of an LED lighting product are heat dissipation, driver power supply, and light source. The following is an analysis of heat dissipation, driver power supply, and light sourc...[Details]
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With the advent of the 5G era, Nokia has been quiet until recently when there was news that Nokia's first 5G mobile phone model is Nokia 8.3 5G PureView. Obviously, photography will also be a h...[Details]
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Samsung's Galaxy Z Fold3 foldable smartphone, which was released in August last year, is expected to have a successor in the third quarter of 2022, which is called the Galaxy Z Fold4. Some infor...[Details]
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When debugging serial communication using stm32f10x, an error was found. After hardware reset and restart, the test data 0x01 0x02 0x03 0x04 was sent. The data received by the receiver was: 0x02 0x03 ...[Details]
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void SPI_FLASH_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable the SPI periph */
RCC_APB2PeriphCl...[Details]
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On July 25, the groundbreaking ceremony for Oriental Hope’s 1.3 million kilowatt integrated source-grid-load-storage centralized photovoltaic power generation project was held in Zhundong, Xinj...[Details]
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Electric vehicle charging systems are evolving. Current AC Level 2 wall boxes, which typically use a 400V battery charging bus voltage, are migrating to DC fast charging (DCFC) systems that require...[Details]
Analog electronics
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