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752 Spectrophotometer Construction Principle The 752 spectrophotometer consists of a light source room, a monochromator, a sample room, a photoelectric tube dark box, an electronic system, a digi...[Details]
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半导体景气复甦,三星有意投资10兆韩元扩大半导体势力之际,台积电、联电、力积电等台湾半导体制造商也都动起来,同步加码投资。 半导体景气复甦,晶圆代工龙头台积电率先感受到。在先进制程终端大客户群追加订单之下,台积电5纳米与7纳米产能满载,能见度已达明年下半年,据了解,台积电也持续提高5纳米产能,进而因应市场庞大需求。 TSMC has previously raised its capital e...[Details]
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Qichacha shows that Dongguan Tianyu Semiconductor Technology Co., Ltd. recently underwent industrial and commercial changes, with the addition of a new shareholder, Shenzhen Haobo Technology Investme...[Details]
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Many digital engineers have difficulty dealing with EMC issues. Contrary to some views in the analog world, this is not because they can't speak, nor because they didn't study hard in school, and it ...[Details]
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On July 12, the international community received new developments: Google is using its advanced Gemini system to deepen its training of its robots, aiming to significantly improve their navigation ...[Details]
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The most common fault is when the photovoltaic grid-connected inverter reports "AC voltage out of range". This is because the voltage of the power grid is not constant, but changes with the load and f...[Details]
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Free reliability design experience: Sometimes we encounter a situation where a machine does not work properly when a circuit board is installed on it. After it is removed, the single board works norm...[Details]
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When traditional high-power rectifiers draw power from the grid, due to the effects of high-power electronic devices and reactive components, a large amount of harmonic current is injected into t...[Details]
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1. Prepare the STM32 LwIP software package
1.
Download the lwIP TCP/IP stack demonstration for STM32F107xx connectivity line microcontrollers software package
an3102.zip from http://www.st...[Details]
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#include
#define BUFFERLEGTH 10
//-----------------------------------------------------------------
void UART_init(); //Serial port initialization function
void COM_send(void); //Serial port send...[Details]
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GAD-201G distortion tester is used for all harmonic distortion (THD) and AC voltage measurements in the audio range, from 20Hz to 20kHz. Frequency and voltage values are displayed on the instrument...[Details]
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Recently, CATL signed a battery supply agreement with the German company TrailerDynamics, to develop and provide the latter with a 300kWh lithium iron phosphate battery pack for its first product, th...[Details]
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On May 8, OPPO officially launched the "Smile Proposal" project on World Smile Day. The project is a scientific and technological innovation empowerment platform initiated by OPPO Research Institute,...[Details]
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Function of the circuit
Using
the absolute value circuit of a general OP amplifier, if the signal frequency exceeds several hundred kilohertz, the output waveform will becom...[Details]
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Since the beginning of this year, state-owned central enterprises have continued to increase their layout in strategic emerging industries. A reporter from China Securities Journal recently visited th...[Details]