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According to foreign media reports, US investment bank Evercore ISI released an investment report today saying that Apple's market value is expected to reach 2 trillion US dollars in the next four ye...[Details]
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Investment bank JP Morgan raised its price target on Apple to $210, citing strong demand leading to expected earnings in early 2022 and bullish prospects for the 5G iPhone SE. In a report to invest...[Details]
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Leading to an imbalance in supply and demand of core components
What are the factors?
1.1 What are the main factors leading to the imbalance between chip supply and demand under t...[Details]
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Circuit principle: The circuit is provided with +5V power supply voltage by transformer, diode and voltage regulator IC7805. The battery voltage is divided by resistors R5 and R6 and sent to the B...[Details]
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The construction of expressways in China is not long. Considering safety factors, the maximum speed limit of expressways is generally 110-130 kilometers per hour. However, with
the development of
a...[Details]
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August 26 news: Starting today, Apple Pay officially supports Xiamen e-Pass. Users can use Apple Pay's quick transportation mode to travel conveniently and take buses, subways and BRT in Xiamen. Wi...[Details]
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0 Introduction With China's increasing attention to the ocean, the public security coast guard ship force has continued to grow, and the equipment of the coast guard has also made great progress...[Details]
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The English abbreviation of single-chip program memory is ROM. The data stored in ROM is generally written in advance before being installed in the whole machine. It can only be read out during the...[Details]
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The emergence of frequency converters has brought innovation to industrial automation control and motor energy saving. Frequency converters are almost indispensable in industrial production. Even i...[Details]
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Now LED lights have been widely used in various fields of the lighting industry. The LED stage lights in the stage lighting industry, such as LED moving head lights, LED floodlights, LED wall washers,...[Details]
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The principle of solar cells: Sunlight shines on the semiconductor pn junction, forming new hole-electron pairs. Under the action of the pn junction electric field, holes flow from the n region to ...[Details]
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On June 9, 2023, the U.S. International Trade Commission (ITC) issued an announcement that it had made a 337 partial final
ruling on Certain Solar Power Optimizers, Inverters, and Components ...[Details]
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#include pic.h #define uchar unsigned char #define uint unsigned int __CONFIG(0x3B31); const uchar table ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,...[Details]
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1. Quickly and easily analyze the waveforms in a switching power supply with an active power factor correction circuit
In order to obtain high power factor, most switching power supply designs...[Details]
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Electric tricycles, also known as electric tricycles, are an environmentally friendly and energy-saving means of transportation that have been widely used in logistics, express delivery, sanitation...[Details]