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CDMA system structure diagram and component description
CDMA system
Component description:
BSC Base Station Controller Functional entity that controls one or more B...[Details]
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1 Introduction
In modern communication systems, bandpass filters (BPFs) are an important microwave device. Currently, many scholars have done extensive and in-depth research on improving the pe...[Details]
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1. Turn off the circuit. 2. Select the resistance level (?). 3. Insert the black test probe into the com input socket. Plug the red test probe into the ? input jack. 4. Connect the front end of the p...[Details]
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Traditional electric fans are mostly controlled mechanically, with few functions, high noise, and large changes in wind speed at each gear. With the development of science and technology and the impr...[Details]
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Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
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关于纳米级处理器和其它超大规模集成电路的有效功耗和电源完善管理的文献已经有好多了。在使用90纳米及以下的先进工艺生产的器件中，电源噪声增益的显著下降导致了无法被传统的查实和确认方法测量的电量损失和定时问题。在低压电源的前提下提升电流密度与供电电路的阻抗相结合产生的芯片内外电源的巨大变化在 中被称为电压消沉。虽然在半导体器件的微缩进程中，可以通过进一步降低供电电压来减少静态和动态功耗，但之前的因素使...[Details]
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2 Hardware Design
The hardware design of this project includes main controller, data transmission design, data acquisition design, control drive design, display design and access contr...[Details]
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In high power factor correction AC/DC circuits, dedicated control chips such as UC3842 and UC3855A are widely used to achieve power factor correction, while in phase-shifted full-bridge DC/DC circu...[Details]
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Microprocessor: S5PV210 Operating system: Linux 3.0.8 Preface: In the product, the external communication of the Linux system in the arm development board should basically be blocked, and relate...[Details]
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Intel helps improve AI talent training and empower developers in all aspects Joining hands with Microsoft to promote sustainable development of the earth Beijing, April 22, 2021 - Today, Intel hel...[Details]
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According to foreign media reports, the University of Copenhagen in Denmark has developed a scalable chip that can be used to build future quantum simulators. This nanochip is less than one-tenth the...[Details]
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This article will explore some of the internal circuit design methods used to mitigate EMI problems.
One method used to mitigate EMI emissions is to reduce the slew rate of the amplifier outpu...[Details]
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Traditional audio power amplifiers mainly include Class A, Class B, and AB. Class A power amplifiers have current flowing continuously through the power amplifier device during the entire input sig...[Details]
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In the embedded field, there are three common processor architectures: PowerPC, X86, and ARM. This article will compare and analyze these three architectures. The origin of PowerPC In 1975, IMB's 8...[Details]
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“It’s time to rewrite the rules of the game.”
Just now, the king of cockpit chips for smart cars launched the latest smart car chip platform - it can capture both cockpit and driving sim...[Details]
Analog electronics
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