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1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
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1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
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Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
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1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
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This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
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0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
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Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
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When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
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Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
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Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
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1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
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Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
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Infrared remote control is widely used in home appliances, but the remote controls produced are not compatible with each other. The universal remote controls commonly seen on the market can only co...[Details]
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0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]
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Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]