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PLL PLL (Phase Locked Loop): Phase-locked loop or phase-locked loop, used to unify and integrate clock signals so that the memory can access data correctly. PLL is used as a feedback technology in os...[Details]
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The Meizu 18 series, as the 2021 masterpiece, will be officially released on March 3. Recently, Meizu officials have frequently posted articles to warm up for the new phone. From the information re...[Details]
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1. Timer 1. Basic Introduction (1) Clock cycle The clock cycle T is the smallest unit in the microcontroller timing. The specific calculation method is to divide the clock source by one. (2) Ma...[Details]
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So what exactly is a pulse? Literally, it is the shock wave generated by the beating of the pulse. The definition of a pulse is actually this:
the wave of voltage (V) or current (A) is like th...[Details]
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Even the world's most advanced communications technology cannot connect to the world of 15 years ago. In 2004, Jay Chou's new song "Qilixiang" was more well-known than his advertisement for telecom...[Details]
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DC/DC converters provide voltage isolation (input to output) of typically at least 1kVDC. This means that the converter can withstand a 1000VDC voltage test applied to the input and output pins f...[Details]
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AR has always been a technological field that hardware manufacturers have been constantly tackling. At this year's OPPO Future Technology Conference, OPPO also announced a new generation of AR...[Details]
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The AT91RM9200 chip based on the ARM920T core has a lot of room for application in embedded development in the field of industrial control due to its rich internal peripherals, processing speed of ...[Details]
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From small households to large enterprises, energy consumption has always been a concern for everyone. The energy consumption of Chinese enterprises has always been high, and the country has also wor...[Details]
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On October 30, according to the announcement on the results of the 39th review meeting of the GEM Listing Committee in 2020 issued by the Shenzhen Stock Exchange, Nanjing Shangluo Electronics Co., Lt...[Details]
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1. Instrument Model Keysight Handheld Spectrum Analyzer N9913A 2. Fault Information Customer feedback: The instrument cannot be used normally and the test is abnormal 3. Testing process The enginee...[Details]
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In August this year, China Post Telecommunications Equipment Co., Ltd. opened and certified an official Hi nova Weibo account. There were reports that the brand would launch a mobile phone simil...[Details]
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The control circuit design of the intelligent seal machine mainly includes display circuit module, data storage, motor drive, sensor and manual adjustment module. The functions of each circuit modu...[Details]
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Introduction: In 2019, global electric vehicle sales were about 2.2 million, a year-on-year increase of 10%, and the market share increased from 2.1% to 2.5%, with a continuous increase in penetratio...[Details]
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The constant pressure water supply system is an automatic control system widely used in the field of water supply. Its core equipment is the frequency converter. The frequency converter achieves co...[Details]