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The recent introduction of new mobile products such as the Apple iPhone and smartphones, as well as low-cost laptops and netbooks, has greatly expanded the use of wireless data. As a result, the marke...[Details]
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One very important requirement for a digital multimeter is that it should be able to use a wide variety of accessories. Many accessories can increase the measurement range and versatility of the digi...[Details]
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Introduction Drunk driving is an important cause of traffic accidents, which brings great harm to people's lives and life safety. In order to prevent motor vehicle drivers from driving after dri...[Details]
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Background
Military vehicles require increasingly complex electronic systems to meet the needs of command and control, communications, weapons management, surveillance, and countermeasures. S...[Details]
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The procedure of dispensing LED
phosphor glue is a very basic part of LED technology. Let's see how it is done.
Preparation:
1. Turn on and check all LED production equipment (ov...[Details]
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1. Detection of fixed capacitors. A. Detection of small capacitors below 10pF. Because the capacity of fixed capacitors below 10pF is too small, using a multimeter to measure can only qualitatively c...[Details]
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According to foreign media reports, on July 25, local time, the US Patent & Trademark Office (US Patent & Trademark Office) announced a patent application from Apple, which is related to an augmented...[Details]
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On August 5, TCL Huaxing was recently identified as the preferred bidder for the equity of LGD's Guangzhou 8.5-generation LCD panel and module production plant. This means that Korean panel compani...[Details]
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Q: What is the SYSTick timer?
SysTick is a 24-bit countdown timer. When it reaches 0, it will automatically reload the initial value of the timer from the RELOAD register. As long as the enable bit...[Details]
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According to data from market research firm eMarketer, in 2017, 35.6 million U.S. consumers used voice-controlled devices at least once a month, and that number is growing at a compound annual growth...[Details]
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In single-chip microcomputer applications, we often encounter situations where a short delay is required, usually tens to hundreds of μs, and high precision is required (for example, when using a ...[Details]
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On June 11, the fifth-generation Xiaomi Mi Band will be officially released. Today, the official released its appearance photo with the slogan "Reignite Power". Xiaomi Smart Life official We...[Details]
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1. The concept of electrical level (1) It should be noted that the electrical levels referred to here are completely different from the electrical levels used in digital circuits. (2) It is expressed...[Details]
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Since May, the emergency response level for major public health emergencies in most parts of the country has been lowered to Level 3. According to the latest guidelines for normalized epidemic preven...[Details]
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Overview
Digital up-conversion/down-conversion (DUC/DDC) is an important part of digital intermediate frequency design. Its function is to convert the baseband signal to the intermediate f...[Details]
Analog electronics
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