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High Frequency Electronic Circuit Exercises (2-10)
2-1 For the intermediate frequency amplifier of the radio, its center frequency f0=465 kHz. B0.707=8kHz, loop capacitance C=...[Details]
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Recently, an email from Yang Yuanqing has caused a sensation in the media circle. The email revealed that since resigning from the position of executive vice president and chief affairs officer of ...[Details]
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In the ARM system, there are usually three ways to control the execution flow of the program:
During normal execution, the value of the program counter (PC) increases by 4 bytes for each ARM instruct...[Details]
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The traditional RS232 serial interface is only suitable for short-distance transmission (generally within 20 meters) and can only connect one instrument. The RS485 standard is a bus standard that can...[Details]
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Blockchain has attracted a lot of attention by applying encryption technology to transactions, and has also attracted the attention of major automobile companies. Recently, it was reported that Dig...[Details]
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1 Problem Statement In the design of distributed systems, RS-485 half-duplex asynchronous communication bus is a data communication bus widely used by various manufacturers. It is no exceptio...[Details]
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News on the afternoon of January 24, today realme held its first global launch conference and officially launched realme X50 Pro 5G. Realme has become one of the fastest growing brands in the ...[Details]
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State Grid Corporation of China recently issued Document No. 1 of 2020, "Opinions of State Grid Corporation of China on Comprehensively Deepening Reforms and Striving for Breakthroughs" (hereinafte...[Details]
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The 2nd Global IC Entrepreneurs Conference and the 17th China International Semiconductor Expo (IC China 2019) opened in Shanghai. Many industry leaders gathered together to express their insights, h...[Details]
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In June this year, Xinhuazhang Technology successfully released the "EDA 2.0 White Paper", which was the first to point out the key development path for the next generation of EDA. It proposed to rel...[Details]
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Olympus , a Japanese optical giant founded in 1919, has become a century-old company by leveraging lens-related optical technologies. As it looks to the next 100 years, starting with Yasuo Takeuchi...[Details]
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Negative polarity output voltage regulator circuit using NPN and PNP tubes to expand output
Figure 1. Negative polarity output voltage stabilization circuit using NPN and PNP tubes to expand the...[Details]
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According to foreign media reports, AI researchers at the University of California, Berkeley said they have developed an AI technology that can help self-driving cars navigate in the unfamiliar real ...[Details]
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There are two ways to implement the dimming function: analog and PWM.
When using analog dimming technology, simply reducing the current of the white light
LED
to half of the maximum...[Details]
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The first thing to do when choosing the right operational amplifier (op amp) is to determine the bandwidth of the signal that the system will pass through the amplifier. Once this is determined, the...[Details]
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