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Introduction
As mobile devices become more multifunctional, the operating voltage of their power circuits has also become diversified. Specifically, taking a typical mobile phone as a...[Details]
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introduction:
With the development of power electronics, the application scope of inverter control technology and industrial field bus is becoming wider and wider. This system successfully...[Details]
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As fossil energy is decreasing and the problem of global warming caused by excessive greenhouse gas emissions is becoming more and more important, people are actively developing various types of re...[Details]
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The power module is a power supply that can be directly mounted on a printed circuit board (see Figure 1). It is characterized by being an application-specific integrated circuit (ASIC), a digital s...[Details]
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1 Introduction
AC/DC and DC/DC converters are responsible for the conversion and transmission of system power. Their role in the system is equivalent to the human heart. Once a problem occ...[Details]
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Abstract: Motorola's MCl45163P is a CMOS large-scale integrated phase-locked frequency synthesizer. It contains a reference divider, two phase comparators and a 4-bit BCD/N divider. With loop filterin...[Details]
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1. The LED turns yellow.
Reasons:
1. The baking temperature is too high or the baking time is too long;
2. The glue ratio is incorrect, too much A glue will easily turn yellow.
So...[Details]
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Light-emitting diodes have long been used as low-cost indicator lights in a variety of electronic products. Today, they have become powerful light sources for indoor lighting, signage,
display ...[Details]
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Optical components are very precise components with high production costs. If the thickness of the components can be reduced, or even made into sheet lenses, it will not only reduce the size of the...[Details]
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Light Emitting Diode (LED), as a new generation of green and environmentally friendly solid lighting source, has become the focus of people's attention. It has a series of advantages such as low po...[Details]
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LED lighting is recognized as the next generation of lighting technology due to its power saving, environmental protection and long life, and will replace various existing lighting technologies. LED i...[Details]
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As a light source, dimming is very important. Not only to create a more comfortable environment at home, but also to reduce unnecessary electric light to further achieve the goal of energy conserva...[Details]
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"Ten Cities, Ten Thousand Lights" is a demonstration project for my country's high-tech industry to promote development through application. Its purpose is to select a group of cities with good fou...[Details]
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The long-term use of LED clock display will produce a certain cumulative error, so it needs to be corrected after a period of use. However, large-screen clock displays are usually hung at a high place...[Details]
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As the efficiency of white light-emitting diodes (LEDs) continues to increase rapidly and their solutions become smaller and thinner, they are now used in devices such as portable DVD players, elec...[Details]