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Conducted Emission refers to the emission of part of the electromagnetic (RF) energy through external cables and power lines in the form of conducted waves. This article introduces conducted emis...[Details]
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Operational amplifier, what does operational amplifier mean?
Concept of Operational Amplifier
An operational amplifier (often referred to as an "op amp") is a circuit unit with a very high amplif...[Details]
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introduction
This paper proposes a network camera design based on ARM and POE embedded system. The solution uses AT91RM9200 processor and its peripheral modules as the hardware platform and embedd...[Details]
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According to TomsHardware, the US government's attempts to block Huawei have indeed had a serious impact on the company, but behind these practices is a strategy to prohibit China from obtaining key ...[Details]
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Electromagnetic compatibility (EMC) is an important technical indicator in electronic products. This article introduces the main factors, test methods and judgment criteria that affect the EMC of soli...[Details]
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Three-phase asynchronous motor
There are two ways to connect three-phase asynchronous motors, namely delta connection and Y connection. The specific connection method should be selected accord...[Details]
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As an important component, power semiconductor plays a very important role in the conversion control between strong electricity and weak points. Since its birth, it has been loved and paid attention ...[Details]
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The air-conditioning compressor is the core of the heat pump air-conditioning system. Choosing the right power device can improve the working efficiency of its controller, thereby improving the eff...[Details]
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Long-term evolution (LTE) wireless networks present several challenges to test equipment vendors. The LTE air interface defined by 3GPP uses orthogonal frequency division multiple access (OFD...[Details]
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Recently,
Intel and China Mobile Migu held a signing ceremony for the 2024-2025 strategic cooperation in Beijing, and the two parties formally signed a memorandum of technical and commercial co...[Details]
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introduction
The urban integrated pipe gallery project is also known as the common trench project. It is a shared space construction system buried deep underground. The shared space is used fo...[Details]
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Electronic products today have more features than they did a decade ago. Engineers have to design sophisticated systems, often creatively, to meet tight power budgets to maintain high energy efficien...[Details]
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1 Support network card chip DM9000 Under driver, there are network card drivers DM9000x.c and DM9000x.h DM9000 is connected to BANK4, bit width 16 Set the network card base address in include/configs...[Details]
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This article introduces a design scheme of an on-board inverter based on the voltage feedforward control chip LM25037, and explains the basic structure and control scheme of the circuit. Since the ...[Details]
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I haven't done anything real for a long time. I've been thinking about doing something recently. I can't always play with single-chip microcomputers. Combinational logic circuits and sequential l...[Details]