Company Filing History:
Years Active: 2019
Title: The Innovations of Shang-Hsien Yang
Introduction
Shang-Hsien Yang is a notable inventor based in Yunlin County, Taiwan. He has made significant contributions to the field of power supply modulation, particularly in the context of radio frequency circuits. His innovative work has led to the development of a unique patent that enhances the efficiency of radio frequency power amplifiers.
Latest Patents
Shang-Hsien Yang holds a patent for an envelope-tracking power supply modulator (ETSM). This device supplies power to a radio frequency power amplifier (RFPA) based on a baseband envelope signal. The ETSM comprises a linear amplifier, a capacitor, a single inductor multiple output (SIMO) switch-mode converter, and a controller. The linear amplifier receives the baseband envelope signal and connects to the power input of the RFPA. The capacitor is coupled to a reference voltage and the power input of the linear amplifier. The SIMO switch-mode converter features two output terminals, one connected to the capacitor and the linear amplifier, and the other to the output terminal of the linear amplifier and the RFPA. The controller is responsible for managing the SIMO switch-mode converter.
Career Highlights
Shang-Hsien Yang is currently employed at Realtek Semiconductor Inc., a leading company in the semiconductor industry. His work at Realtek has allowed him to apply his innovative ideas in practical applications, contributing to advancements in technology.
Collaborations
Throughout his career, Shang-Hsien Yang has collaborated with talented individuals such as Ke-Horng Chen and Tsung-Yen Tsai. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
Shang-Hsien Yang's contributions to the field of power supply modulation exemplify the spirit of innovation. His patent for the envelope-tracking power supply modulator showcases his ability to enhance the efficiency of radio frequency circuits. His work continues to influence the semiconductor industry and inspire future innovations.