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As a common accessory in cars, the car charger plays the role of a backup power supply, which can power mobile devices by converting the 12V or 24V car level into a 5V USB output.
When d...[Details]
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On the morning of July 2, Bloomberg reported that Apple is developing a hybrid work model for its retail employees, called Retail Flex, allowing them to work from home part of the time. "Re...[Details]
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1. Source of moisture
Moisture is more likely to enter the motor in a humid environment than in a normal environment. In summary, the main sources of moisture are as follows: (1) Motors runnin...[Details]
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The end of the year is getting closer and closer. Previously, at the Qualcomm Snapdragon Technology Summit, Xiaomi announced the world's first launch of the Snapdragon 8 platform, and the first model...[Details]
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Xi'an: 13,000 5G base stations will be built this year, and the scale of 5G industry will exceed 30 billion yuan by the end of 2022 On April 23, the "Implementation Opinions on Accelerating 5G System...[Details]
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SQLite is a lightweight database and an ACID-compliant relational database management system. It is designed for embedded use and is currently used in many embedded products. It takes up very little ...[Details]
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The circuit shown in the figure is a high-speed photodiode signal conditioning circuit with dark current compensation. The system converts the current from a high-speed silicon PIN photodiode and d...[Details]
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1. Introduction
Since the LCD screen itself does not emit light, the backlight that provides all the light sources for the LCD device plays a very important role. Although, due to low cost and...[Details]
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Introduction: StoreDot, an Israeli battery developer, said it is researching a battery "self-repair" technology. The company specializes in the research and development of ultra-fast charging batteri...[Details]
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As the world's most watched new generation of light sources, LED is known as the most promising green lighting source in the 21st century due to its high brightness, low heat, long life, non-toxicity,...[Details]
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First of all, high light efficiency:
The light efficiency of LED display screens can be said to be an important indicator of energy saving. At present, China still needs to strengthen its lig...[Details]
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As personal computers (PCs) and televisions adopt slimmer and more elegant form factors, power supplies must reduce thickness and adapters for ultraportable computers must become compact and lightwei...[Details]
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Silicon wafer fabs have been affected by the inventory adjustment of the entire semiconductor industry this year, and their profit performance is not satisfactory. However, since most of the customer...[Details]
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CMOS chips have long been known for their low manufacturing costs, high efficiency and fast data transmission speeds. This has helped them to be used more widely in an increasing number of products a...[Details]
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If the gain or noise bandwidth of a low-noise amplifier is known or estimated , the other specifications can be measured using only a few resistors and an AC voltmeter. This example uses the Johnson ...[Details]
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