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The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
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Designers of handheld products such as cell phones, digital cameras, MP3 players and personal digital assistants (PDAs) are continually challenged to deliver more functionality in a smaller form...[Details]
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summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
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A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
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1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
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Murphy's Law tells us that "what can go wrong, will go wrong". In the testing or production process of video equipment, problems often occur when we least want them to happen and when it is leas...[Details]
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introduction
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more...[Details]
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At present, ECG monitoring systems that mainly collect, analyze and diagnose ECG signals have been widely used, and have played a great role in the prevention and diagnosis of heart diseases.
...[Details]
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Abstract:
A single pulse secondary radar reply processor implemented with EPLD. Its main functions include: reply frame pulse detection, reply information decoding, assembling reply inf...[Details]
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With the continuous development of the national economy, the application of variable frequency speed regulation devices is becoming more and more extensive. How to break the monopoly of foreign produc...[Details]
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As AC induction motors become the preferred choice for industrial motors, the need to reduce power consumption in all aspects of the design continues to emerge, so improving the efficiency of these...[Details]
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In the new generation of automotive exterior mirrors, the number of built-in functions has increased significantly: side retro-reflectors or turn signals/flashlights, door exterior lights, defroste...[Details]
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With the formulation of the national economic policy to vigorously stimulate domestic demand, infrastructure represented by transportation has become one of the most important contents. "If you wan...[Details]
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Today, Linux is widely used
in the development of
various
embedded devices
, such as digital TVs, video converter boxes, DVR players, xDSL/cable/PON modems, home routers, and
network
gatewa...[Details]
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In embedded control systems, it is often necessary to collect data and process real-time physical quantities on site, and the system is required to have good human-computer interaction functions. A...[Details]
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