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1 Introduction
STC (Hongjing Technology) Company launched STC 89C/S 51XX/52XX series of single-chip microcomputers, which have the advantages of low price, undecryptable, low power consumption, high...[Details]
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Figure 1 shows
two methods for
measuring
large signals. The first method includes a two-resistor voltage divider and an output buffer; the second method includes an inverter with large atten...[Details]
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With the improvement of living standards, people have higher requirements for the comfort of clothing. The research scope of clothing comfort involves three basic areas: physical, physiological a...[Details]
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Network sorting EvoNexus is launching an incubator program to recruit and support startups developing the 5G ecosystem. Tech giant Qualcomm has signed on to support the initiative as a sponsor. ...[Details]
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In the hot summer, not only do people need to take measures to prevent heatstroke, but LED displays, as the most popular outdoor display device, also need to be cooled down to work properly. So, ho...[Details]
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Anyone who has higher requirements for drive systems can consider using piezoelectric ultrasonic motors to replace traditional DC stepper motors in production practice. For example, the piezoelectric ...[Details]
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The typical structure of a cascade computer control system is shown in the figure below. There are two PID controllers in the system. Gc2(s) is called the secondary regulator transfer function, an...[Details]
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1. AC Impedance The
AC "resistance" formed by the combination of resistance (R), capacitive reactance (Xc), and inductive reactance (XL) in AC is called "impedance" (Z). Its formula is ζ=√(R2+(...[Details]
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Is a small-screen mobile phone a false demand? Whether small-screen mobile phones are a "false demand" or not, time has given the answer. Even Palm, which specializes in small-screen mobile phones, h...[Details]
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Air quality and comfort in offices and industrial production processes not only affect human health, but more importantly, if the environment is not transformed, it will lead to increased CO2 concentr...[Details]
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introduction
With the widespread popularity of Internet technology, different companies in various fields around the world have reached a consensus on "connecting devices to the Internet". However,...[Details]
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Introduction: Nandflash is similar to a computer's hard disk and is used to save various data such as the operating system, user data, and operating processes necessary for system operation. And th...[Details]
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Rohde & Schwarz will focus on innovative file-based media solutions and new Ku-band for 5G broadcast technology at IBC 2019 Satellite uplink amplifier. At IBC 2019, Rohde & Schwarz will be exhibiti...[Details]
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On Wednesday, John B. Goodenough (University of Texas), M. Stanley Whittingham (Binghamton, State University of New York), and Akira Yoshino (Asahi Kasei Researcher, Meijo University Professor) won t...[Details]
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High-voltage motor starter cabinet and high-voltage distribution cabinet are two important equipment in the power system. They have obvious differences in structure, function, application, etc.
...[Details]
PCB Design
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