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Why can ordinary audio amplifiers directly listen to FM radio in some cases? How do they restore the sound after amplifying and detecting the high-frequency electromagnetic waves propagating in spa...[Details]
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At present, M1 (Mifare one) cards are widely used in the field of contactless user identity authentication applications, but the dedicated and undisclosed hardware logic algorithm it uses has been ill...[Details]
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The body controller usually controls functions such as doors, lights, car keys, diagnostics, wipers and steering wheel heating, and is usually relatively simple. However, car keys are becoming more...[Details]
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Experiment Name:
Application of power amplifier in metal particle material recognition of inductive sensor
Purpose:
A dual phase-locked amplifier circuit is used to convert the...[Details]
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The new battery developed by the MIT research team is as thin as paper and can turn any surface into a power source. Image source: Physicists Organization Network
Engineers fro...[Details]
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The excitation device refers to the electrical control device that can control and regulate the excitation current in the excitation system of the synchronous generator except the excitation power sup...[Details]
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By using the Zener breakdown characteristics of the voltage regulator tube, a high-frequency signal with a frequency of hundreds of megahertz can be obtained. The circuit is shown in the figure. The ...[Details]
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Today, PCB has developed to a new stage, and the introduction of new technologies such as high-density interconnect (HDI) PCB, IC substrate (ICS), etc. has made the entire production process from man...[Details]
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With the iterative upgrade of automobile human-computer interaction, the display screen has become an important component of automobile human-computer interaction. The traditional multi-screen small ...[Details]
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Liquid level meter is a commonly used flow measurement instrument, which is mainly used for measuring various liquid media and has certain applications in many fields. Among them, liquid level meter ...[Details]
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According to Wuxi Daily, in the first half of this year, Wingtech Wuxi Company achieved an output value of 4.32 billion yuan, and it is expected that the output value will exceed 10 billion yuan by t...[Details]
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The LED water flow and digital tube water flow effects are "independently" implemented, and the implementation method package contains codes for mutual communication. Simulation schematic diagram: T...[Details]
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1. Off-circuit detection This method is performed when the IC is not soldered into the circuit. Generally, a multimeter can be used to measure the forward and reverse resistance values between each...[Details]
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On March 9, Shenzhen Huaqiang (000062.SZ) announced that the company plans to spin off its controlling subsidiary Huaqiang Electronic Network Group and list it on the Shenzhen Stock Exchange's Growth...[Details]
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/* Name: Use ADC0808 to control PWM output
Description: Use the digital-to-analog conversion chip ADC0808 to adjust the pulse width by adjusting the variable resistor RV1.
When running the progra...[Details]
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