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The competition between superheterodyne and direct conversion (homodyne or zero-IF) radio receiver architectures dates back to the 1930s. Each architecture has its own advantages for specific types...[Details]
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With the advent of the energy crisis, efficient lighting technology has received widespread attention. Light Emitting Diode (LED) is a device that uses semiconductor PN junction or similar structur...[Details]
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Boost power supplies are commonly used to convert low voltage input to a higher voltage, but as the power demand of the power supply increases, current stress that they cannot withstand may occur. ...[Details]
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0 Introduction
Power management technology has been widely used in portable and handheld power supplies in recent years. The power management system includes subsystems such as linear regu...[Details]
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The switching power supply has the advantages of small size, high efficiency, light weight, and low noise, and its application is becoming more and more extensive. When we design the battery charge...[Details]
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1. Introduction Photoelectric encoders are commonly used in modern motor control systems to detect the position and speed of rotating shafts. They are high-precision angular position measurement sens...[Details]
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The research field of Intelligent Transport System (ITS) is the development direction of future transportation systems. It is an integrated transportation management system that effectively integr...[Details]
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1 Introduction In the power system, DC power supply is used as a power supply for relay protection, automatic devices, and primary and secondary equipment operations. It is a very important equip...[Details]
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If you want to distinguish the brightness of Chengdu LED display, then how much do you know about the brightness of Chengdu LED display? Light-emitting diode lighting has been recognized as the mos...[Details]
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Most of the latest wireless terminal products are equipped with high-speed data interfaces, high-resolution LCD screens and camera modules, and some mobile phones are even equipped with the functio...[Details]
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As an electronic engineer, circuit design is a necessary skill. However, no matter how perfect the principle design is, if the circuit board design is unreasonable, the performance will be greatly red...[Details]
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In a full-bridge inverter, the filter inductor is a very important component, and the determination of the inductance value will directly affect the working performance of the circuit. This article w...[Details]
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2013 will be the year when affordable LED lamps for mass lighting will compete in design, production and listing. The price-performance ratio of affordable LED lamps for mass lighting will determine ...[Details]
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In Article 5.3 of DL/T724-2000 "
Technical Regulations for Operation and Maintenance of
Battery
DC
Power Supply
Devices for Power Systems", there are clear regulations and technica...[Details]
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Since the emergence of external lighting, we divide lighting into three eras: the filament bulb era (incandescent lamp), the gas bulb era (fluorescent lamp), and the semiconductor light-emitting era ...[Details]
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