51939-005

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]

Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]

introduction With the rapid development of my country's aviation industry, various new aircraft and control equipment have been successfully developed. Some previous measurement and control eq...[Details]

Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]

introduction With the increasing popularity of Internet applications, the degree of information sharing is constantly improving. The digitization and networking of embedded devices has b...[Details]

With the advent of the new economic era represented by the Internet, PCs have lost their former glory, and smart 3C products (Computer, Communication and Consumer) will set off a new wave. As one o...[Details]

Abstract: QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[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]

Today, many wireless devices combine GSM, WCDMA, Bluetooth, WLAN, GPS and FM technologies and support the high data rates required for mobile Internet. Moreover, as customers demand mobile wireless...[Details]

With the development of the electronics and data industries and the promotion of distributed power supply systems in recent years, the application of DC-DC converters has become more and more wides...[Details]

From the perspective of current embedded consumer electronic products, media processing is gradually integrated with wireless communication and 3D games. Its powerful functions have brought about a...[Details]

Future 4C products are characterized by low price, light weight and mobile Internet access, so their power supply design must break away from traditional limitations, including complicated external...[Details]

1 Introduction Introducing the power factor correction (PFC) technology in the switching power supply can, on the one hand, make the power input current and input voltage waveform in phase...[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]

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]