An Adaptive Filtering Class D Audio Power Amplifier Design

Abstract: A 1.1W single-channel adaptive filtering Class D audio power amplifier is designed. The power amplifier adopts bilateral symmetric triangular wave as the carrier PWM modulation mode, which effectively reduces the total harmonic distortion of the power amplifier. Test results show that d ...read more...

Gooee Launches World's First IoT Gateway Using Lighting …

Gooee, an intelligent lighting ecosystem provider that connects OEMs to the Internet of Things, has developed a multi-protocol enterprise-class IoT gateway in Silicon Valley that connects cloud platforms through lighting and sensing devices. The gateway supports a variety of communication protocol ...read more...

General Lighting White LED Challenge

-52- This photon down conversion inevitably results in energy loss. Japan's 21st Century Light Program focuses on the development of UV LEDs + red, green and blue phosphors. The reduction of defect density is very important to improve the luminous efficiency of UV-LED. Using a grap ...read more...

Smart Grid: Changes from grid people to grid robots

When it comes to grid de-icing, what you think of is From the beginning of the freezing rain and snow disaster in 2008, the next eight years, the power grid researchers did not idle for a moment, the power grid de-icing, DC ice melting, drone navigation, de-icing robots and o ...read more...