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"After three rounds of sanctions, Huawei still released its flagship mobile phone. No matter how difficult it is, Huawei will continue, and there will be better products in the future. Thank you cons...[Details]
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1. Coil pulse test principle
Coil pulse test schematic
In the figure above: C1: Energy storage capacitor
C2: Resonant capacitance
Cp: Equivalent parallel capacitance at both ends of the co...[Details]
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According to foreign media 91Mobile, a mysterious phone with model number LG-Q0520Q has obtained Bluetooth SIG certification. The list also includes models such as LM-Q620VA, LM-Q620QM, LM-Q620...[Details]
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Traditional audio systems usually use linear transformer-based
power supplies
, which are not only bulky, but also increasingly expensive to manufacture as raw material prices soar. This...[Details]
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On November 5, Huawei announced a new invention of sulfide solid electrolyte, entitled "Doped sulfide materials and their preparation methods, lithium-ion batteries."
The patent applicat...[Details]
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TMS320C6713 is a new generation floating-point DSP chip of C6000 series launched by TI based on TMS320C6711. It is the one with the highest performance in C6000 series DSP chips so far. TMS320C6713...[Details]
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Jiwei.com News (Text/Sitan), MediaTek released the Dimensity 5G open architecture for the first time on Tuesday (29th), equipped with the Dimensity 1200 platform, providing open resources closer to t...[Details]
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The working principle of a digital oscilloscope is shown in the figure. When an analog signal enters the oscilloscope through the input channel, it will pass through an amplifier, which we call a ver...[Details]
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Some 12864s do not have all of the following features: DDRAM: (Data Display Ram), data display RAM, whatever is written into it will be displayed on the screen. CGROM: (Character Generation ROM), c...[Details]
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China Energy Storage Network News:
On December 24, the State Grid Corporation of China held a field promotion meeting on the ubiquitous dispatching and control of the source, grid, load and s...[Details]
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A dual speed motor is an electric motor that can run at different speeds. It has two different operating modes, usually high speed mode and low speed mode, and can switch between the two modes as n...[Details]
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From June 21 to 23, the Japan Industrial Exhibition was held at Tokyo BIG SIGHT Ariake International Exhibition Center, attracting more than 60,000 visitors. The scene was crowded and lively. The J...[Details]
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Formula Student is the world's largest engineering competition. Thanks to its innovative electric drivetrain based on FPGA modules, the AMZ student team in Zurich, Switzerland, won the ...[Details]
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First, let's present a low-power one-button power on/off circuit. The characteristic of this circuit is that when the power is turned off, all transistors are cut off and almost no power is consumed....[Details]
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1 Introduction
In China, there are many patients with traumatic brain injury who are in urgent need of emergency treatment, but a considerable number of patients with intracranial hemorrha...[Details]