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1 Introduction Radar is a radio direction finding and ranging, and ranging is one of its main functions. Radar measures the target distance by testing the time difference between the transmitte...[Details]
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At present, single-chip microcomputers have been widely used in electronic products. Many types of single-chip microcomputers have internal A/D conversion circuits, but such single-chip microcompute...[Details]
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LCD_1602, friends who have studied microcontrollers know it, it can be said to be the most widely used, simplest, and also the entry-level LCD. LCD1602, as the name suggests, is a two-line display ...[Details]
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LED CHINA 2011 Exhibition in Guangzhou, China, March 1, 2011 – Power Integrations, a leader in the field of offline LED lighting high-voltage drivers, today released a new reference design (RD-268)...[Details]
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1. 485 interface principle 2. 485 circuit chip SP3485 Generally, pins 2 and 3 are connected together. When pins 2 and 3 are at a low level, the RO terminal is enabled, and when pins 2 and...[Details]
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In the fourth quarter of 2019, Apple captured 36.5% of the market share, Samsung had 16.1%, and Huawei had 9.1%. According to the latest report from market research firm IDC, the global tablet mark...[Details]
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Gates and Bezos-backed startup Form Energy is one of the most exciting companies in grid-scale renewable energy storage, with a multi-day iron-air battery system that costs just 10% of lithium. A 10 ...[Details]
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The arrival of the era of electrification and intelligence has not only given rise to the birth and expansion of a number of domestic emerging car companies, but has also given the entire automotive ...[Details]
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introduction
Electronic utility meters offer many advantages over the traditional mechanical and electromechanical meter solutions currently in use. In the examples presented in this article, p...[Details]
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Taiwan on Thursday launched a massive multi-city raid on eight Chinese chip and component suppliers, accusing them of illegally poaching Taiwanese workers, Nikkei reported. Taiwan's Ministry of Ju...[Details]
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#include iom16v.h #define uchar unsigned char #define uint unsigned int #define cs_l PORTD&=0xfe //output low level #define wr_l PORTD&=0xfd //output low level void delayms(uint x) /...[Details]
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Basic diode circuit and its analysis method
2.4.1 Diode forward VI model
1. Ideal model
The V–I characteristic of an ideal diode is shown in blue in Figure (a), and the dotted li...[Details]
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From the launch of Amazon's first smart speaker Echo in November 2014 to today, the industry has gone through more than four years of iterative development. Smart speakers are trying to become an omn...[Details]
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Although the upgrade of the US ban has put Huawei under unprecedented pressure, according to the latest news, both the Mate 40 and P50 series are progressing steadily, and their 5nm new-genera...[Details]
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At the Ministry of Commerce's regular press conference, a spokesperson responded to the U.S. Department of Commerce's letter to TSMC imposing export restrictions on certain complex chips of 7 nanom...[Details]
Test/Measurement
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