Young-hwan Choo

Title: Young-hwan Choo: Innovator in Power Supply Technology

Introduction

Young-hwan Choo is a notable inventor based in Hwaseong-si, South Korea. He has made significant contributions to the field of communication devices and power supply technology. His innovative work has led to the development of a unique patent that enhances the efficiency of power amplifiers.

Latest Patents

Young-hwan Choo holds a patent for a "Supply modulator and communication device including the same." This invention features a supply modulator designed to provide both a first power supply voltage and a second power supply voltage to two different power amplifiers. The supply modulator includes a first modulation circuit that consists of a linear regulator and a switching regulator. This circuit generates a first modulation voltage in accordance with envelope tracking, which is then supplied to the first power amplifier. Additionally, a single inductor multiple output converter is utilized to generate both a first output voltage and a second output voltage based on a fixed input voltage level.

Career Highlights

Young-hwan Choo is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate and develop advanced technologies. His work at Samsung has positioned him as a key player in the field of communication devices.

Collaborations

He collaborates with talented coworkers, including Ji-seon Paek and Dong-su Kim, who contribute to the innovative projects at Samsung Electronics.

Conclusion

Young-hwan Choo's contributions to power supply technology and communication devices exemplify his commitment to innovation. His patent reflects a significant advancement in the efficiency of power amplifiers, showcasing his expertise in the field.