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The challenges of wireless design and testing are concentrated on the limited bandwidth, which has spawned complex modulation and coding technologies, thus requiring higher quality RF signals and si...[Details]
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The move to Android 12 has been a rough process for multiple series of Android phones, with rolled back updates and occasional bugs. However, the number of problems we've seen with Google's flagship ...[Details]
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Introduction With the development of social economy and the continuous progress of science and technology, the temperature and humidity of the environment need to be limited in many cases. Therefore,...[Details]
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If you want to add the high-voltage package in-circuit measurement function, K in the figure below is the reverse pressure test button VBR, Rl, Q1, Ll, L2 to form a self-excited oscillation circuit...[Details]
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1. Working Principle of Interrupt and Timer 1. Interrupt concept: 1 CPU processes event A and event B occurs for processing (interrupt occurs) 2 CPU temporarily interrupts the current work and switch...[Details]
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This article introduces the main features, block diagram, single-ended input configuration and differential input configuration test circuit diagram, and single-ended input configuration diagr...[Details]
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On April 8, Guangdong Grid Energy Investment Co., Ltd. and China Southern Power Grid Electric Vehicle Service Co., Ltd. signed a 2% equity transfer agreement for Guangdong Grid Electric Vehicle Ser...[Details]
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In today's stage of rapid development of information communication, people are fully enjoying the joy that the Internet brings to mankind. With the popularization and development of the Internet, i...[Details]
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When your FPGA design fails to meet timing, the reason may not be obvious. The solution not only relies on using FPGA implementation tools to optimize the design to meet timing requirements, but al...[Details]
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The Origin of the Oscilloscope Nobel Prize winner, German physicist KF Braun invented the CRT oscilloscope in 1897 out of curiosity about physical phenomena. He applied an oscillating signal ...[Details]
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Correct use of ground resistance tester Reducing the grounding resistance of power line towers can improve the lightning resistance level of the line, reduce lightning accidents, reduce contact volta...[Details]
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Whether it is handheld devices, game consoles, neon lights, billboards, etc., LED is undoubtedly the hottest application at present. The dazzling colors and high-quality light can always attract peop...[Details]
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New technologies often replace mature technologies, often resulting in breakthroughs in functionality. For more than 50 years, the semiconductor industry has been pursuing smaller, faster, and cheape...[Details]
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This is a small project using 51 single chip microcomputer to measure the speed of bicycle.
Please download the circuit diagram and simulation files from http://www.51hei.com/bbs/dpj-20396-...[Details]
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Auto-coupling step-down starting and star-delta starting are two commonly used motor starting methods. They have different effects on the current and torque of the motor during the starting process...[Details]