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Circuit principle: The figure shows a broadband amplifier circuit using negative feedback. The amplifiers in this circuit all use transformer coupling, and the amplification part uses a combinatio...[Details]
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A subsidiary of Samsung Group will reportedly shut down its last liquid crystal display, or LCD, production line this month. As early as five or six years ago, the competitiveness of Samsung'...[Details]
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Uber Eats has officially announced a partnership with
robot
company Cartken and Japanese industrial giant Mitsubishi Electric to launch a robot delivery service, providing more convenient t...[Details]
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Silicon Labs said recently that its mission in 2020 is to simplify the way everyday devices connect to the Internet. Silicon Labs said that in addition to planning to launch new security platforms a...[Details]
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With the continuous development of electronic technology, there are many kinds of electronic equipment, which are naturally closely related to people's work and life. Any electronic equipment also ne...[Details]
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1. Instrument Model Keysight E4405B Spectrum Analyzer 2. Fault phenomenon Customer feedback: instrument startup error 3. Inspection and maintenance First, power on the machine to verify the error inf...[Details]
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Tracking Tester Based on standards: IEC60112: 2003 /GB4207-2003 Determination method of tracking resistance index and comparative tracking resistance index of solid insulating materials , simulation ...[Details]
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u-boot-1.1.6 status 1. Check the available IP addresses in the current LAN $ nmap -sP 10.10.11.* 2. Set u-boot ip related variables setenv gatewayip 10.10.11.254 setenv ipaddr 10.10.11.120 setenv ser...[Details]
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The US National Defense Authorization Act (NDAA), a $716 billion bill passed last year, broadly prohibits US government agencies and contractors from purchasing and using Huawei equipment due to secu...[Details]
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On July 28, the first centralized electrochemical energy storage demonstration project in Dafang County officially started construction at the Dafang Power Plant. This project is the first electrochem...[Details]
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introduction At present, small and medium-sized LED display systems on the market generally use traditional single-chip microcomputers as the main control chip. For large-screen LED display screens...[Details]
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Working principle of OTDR: Optical fiber cable testing is an important technical means for optical cable construction, maintenance, and emergency repair. Using OTDR (Optical Time Domain Reflectometer...[Details]
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An efficient, low-cost and reliable battery charger design can be implemented in a variety of ways, but using an 8-bit flash MCU can not only shorten design time, reduce costs and provide a safe an...[Details]
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According to foreign media reports, it is well known that zinc-air batteries are widely used, with characteristics such as light weight, compact structure, long life and non-flammability, but they ca...[Details]
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The ambient light sensor UI202, which conforms to the human eye spectrum characteristic curve, detects the ambient illumination, and the A/D conversion inside the microcontroller converts the illum...[Details]
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