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1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
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1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
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According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
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A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
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Today's automotive application developers face numerous design challenges as modern cars add more electronic functionality, while the need for lower power consumption and smaller printed circuit bo...[Details]
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Commonly used power management chips for portable products
●Low Dropout Regulators (LDO Linear Regulators)
LDO
VLDO;
●DC/DC Converters based on inductor energy...[Details]
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Last week, Microsoft's Windows Phone 8 system was launched with great fanfare and attracted much attention from the industry. However, Nokia, the most staunch supporter of Microsoft's Windows Phone sy...[Details]
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1 Introduction
With the rapid development of computer systems and communication equipment, the application scope of uninterruptible power supply (UPS) is becoming wider and wider. The demand...[Details]
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With the development of communication technology, traditional analog walkie-talkies can no longer meet people's needs, and the digitization of walkie-talkies is imperative. The rapid development of...[Details]
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1 Neutral point grounding method
In the early days, my country stipulated that the neutral point grounding methods of power systems should be divided into two categories: large grounding short...[Details]
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Introduction
RS422 is a widely used standard bus in serial communication. It can easily connect various computers, external devices, and measuring instruments to form a measurement and control ...[Details]
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The figure below is a schematic diagram of a high-efficiency, high
-power-
factor
LED driver circuit
.
This circuit is developed based on HV9931 and adopts non-isolation me...[Details]
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LED lighting
offers many advantages
over current automotive interior and exterior lighting solutions,
such as higher performance, longer life, and lower cost, and it also improves the aesth...[Details]
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1 Introduction
As the mandatory national standard GB15579.10-2008 is about to be implemented, how to improve the electromagnetic compatibility (EMC) of inverter welding machines to meet the ...[Details]
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0 Introduction
Usually,
a bandpass signal
can be represented by the corresponding baseband signal. For example, if Sm is used to represent a real bandpass signal, the bandpass signal can ...[Details]
Power technology
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