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Medicines are special commodities. If patients are given the wrong medicine, fake medicine, inferior medicine or expired medicine, it will pose a threat to people's health and lives. In recent...[Details]

Preface Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]

Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them to...[Details]

Focus shift problem Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]

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]

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]

With the significant increase in the use of portable electronic devices such as media players, PDAs, and mobile phones, external power supplies (EPS) or battery chargers have begun to occupy power ...[Details]

1 Introduction Today, with the development of control, computer, communication, network and other technologies, the field of information exchange is rapidly covering all levels from the fa...[Details]

Full HD TVs have begun to win the favor of consumers. Currently, LCD TVs larger than 24 or 26 inches can support Full HD, but from a practical point of view, only Full HD TVs larger than 37 inches ...[Details]

The content of RRM (Radio Resource Management) is directly related to the performance of WCDMA terminals in the network. This article introduces the random access process and explains the requireme...[Details]

Recently, Vishay Intertechnology, Inc. announced the launch of the ultra-high precision Accutrim™ series trimming potentiometers using Bulk Metal® foil technology - the 1202 series. This series of ...[Details]

SMT5026 is the first product in the LED driver chip series launched by Shanghai Sijing Microelectronics Co., Ltd. for the international and domestic LED display market. Its excellent performance in...[Details]

Since the completion and opening of China's first expressway, the 15.9-kilometer-long Shanghai-Jiaxing Expressway, in 1988, China's expressway construction has begun to develop rapidly toward the ...[Details]

Central topics: Introduction to transceiver duplexers Introduction to surface wave filters used in high-frequency wireless communication circuits of mobile phones Prospects for the...[Details]

    In microcomputer measurement and control systems, A/D conversion is often used. A common method is to expand one or more A/D acquisition cards. When there are few analog quantities or slowl...[Details]