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Parasitic capacitance between adjacent pins of a logic device can couple noise voltages onto sensitive input pins. Figure 2.21 illustrates a situation where mutual capacitance CM causes coupl...[Details]
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Recently, I have been playing with ARM7 in my spare time, using Keil uVision integrated development environment. Sometimes I can't stand it. The code prompt/highlight function of the editor is almost...[Details]
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Capacitor ceramics with high dielectric constant (barium titanate-titanium oxide) are extruded into round tubes, discs or disks as dielectrics, and silver is plated on the ceramics as electrodes by...[Details]
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Jiwei.com reported on January 14 that Hangzhou released an official Weibo report: Hangzhou investigated and dealt with two epidemic-related online illegal cases. In one case, Xie Moumou (male, 41 yea...[Details]
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The high-voltage switch mechanical characteristics tester is based on a high-performance industrial embedded platform. It has high-speed data acquisition, analysis and processing capabilities, can re...[Details]
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Output voltage: The boost drive voltage is high. If the insulation is not done well, it will cause harm to the human body. For LED, the boost drive needs to insulate the LED light source board and...[Details]
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Purpose: To master the test methods of the AC parameters of the amplifier circuit through simulation and to be familiar with the use of instruments such as signal generators, digita...[Details]
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Today, traditional analog oscilloscopes have gradually faded out of people's sight. Digital oscilloscopes have almost replaced analog oscilloscopes and become the most commonly used instrument for ...[Details]
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Samsung's official website announced the "Value Preservation and Replacement Plan" for the Samsung Galaxy S20 series. The plan shows that from now until September 30, 2020, users who purchase the Sam...[Details]
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According to Strategy Analytics, affected by the COVID-19 pandemic, global sales of smart speakers grew to 30 million units in the second quarter of 2020, up 6% from the first quarter. Amazon ranked ...[Details]
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Introduction The open-source μClinux has been widely used due to its powerful network functions and low cost. The embedded Bluetooth public switched telephone network PSTN (Public Switched Telepho...[Details]
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Abstract: This paper analyzes the technical advantages of low temperature co-fired ceramics (LTCC) and the working principle of low noise amplifiers, introduces the miniaturization design and e...[Details]
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1. Introduction
At present, cars have not only changed in power source, driving mode and driving experience, but also the cockpit has bid farewell to the traditional boring mechanical and elec...[Details]
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On September 2, a foreign blogger released a spy photo of the front panel of Huawei Mate 30 Pro on Twitter. According to the leaked photo, it can be confirmed that Mate 30 Pro will adopt a notch wate...[Details]
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Rapidly growing electric vehicle (EV) sales are driving growth in charging infrastructure, which is expected to be worth $40 billion annually across all power levels by 2030. This will provide huge...[Details]