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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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IntroductionTime
and frequency measurement is an important field of electronic measurement. To achieve time and frequency measurement, a good frequency source is needed. Among various frequency so...[Details]
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In the fields of communication and power, the DC power supply system outputs different currents and voltages. For large-capacity power supply systems, multiple small-capacity power modules of the same...[Details]
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Technical description:
The RS8557-Q1 series of CMOS operational amplifiers use auto-zero technology to provide extremely low offset voltage (maximum 100uV) and nearly zero temp...[Details]
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On January 17, 2021, at the invitation of the China Electric Vehicle 100 Forum, Mr. Jerry Shi, Director of Embedded and Digital Light Processing Application Technology at Texas Instruments (TI) Chi...[Details]
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Fault phenomenon The instrument cannot be turned on Testing process There was no response when powered on, and the initial suspicion was that there was a power supply problem. After inspection, it ...[Details]
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0 Introduction
Operational amplifiers are key components in data sampling circuits, such as pipeline analog-to-digital converters. Speed and accuracy are two important factors in such de...[Details]
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On January 5, China Mobile officially landed on the A-share market, and whether the stock price would fall below the issue price on the day of listing became a focus of debate. Thanks to the green sh...[Details]
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A brief analysis of pure electric vehicle drive technology in three parts - Part 1
The structure and design of pure electric vehicles are different from those of traditional internal combustio...[Details]
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The space restrictions on handheld product structures are increasing, speakers are getting smaller, and the required sound is getting louder. Suppressing various noises and echoes (linear and nonli...[Details]
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The reporter learned from the National Energy Administration on the 17th that as of the end of June 2020, the country had 1.322 million charging piles of all types, of which 558,000 were public cha...[Details]
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With the development of artificial intelligence technology,
industrial robots
are accelerating their evolution towards autonomy, intelligence and collaboration. As a pioneer in the field of...[Details]
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1. Current Status of Relay Protection Development
In recent years, the scale of power grids has been continuously expanding. In order to meet the requirements of safe and stable operation of...[Details]
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Public part ▼ variables -shm_mnt ▼ functions -__shmem_file_setup(struct vfsmount *mnt, const char *name, loff_t size, unsigned long flags, unsigned int i_flags) shmem_file_setup(const cha...[Details]
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Overview
The relocation code copies the BootLoader itself from Flash to SDRAM so that it can jump to SDRAM for execution. Relocation is required because the execution speed in Flash is relativ...[Details]
Automotive Electronics
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