Ik-Soo Chang

Title: The Innovations of Ik-Soo Chang

Introduction

Ik-Soo Chang, an inventive mind based in Seoul, South Korea, has made significant contributions to the field of linear power amplification. With a total of three patents to his name, his work focuses on enhancing the efficiency and effectiveness of RF signal amplification technology.

Latest Patents

One of Ik-Soo Chang's latest patents is the "Combined Linear Power Amplifying Device and Method". This invention provides a novel approach for combining outputs from multiple linear power amplifiers while preventing signal loss. The device features a power divider module that inputs an RF signal and outputs the divided power through various terminal paths, alongside a power combiner module responsible for consolidating this divided power effectively. Importantly, if a failure occurs within the linear power amplifiers, the design allows for automatic handling of the affected RF signal by turning off the corresponding switches, ensuring uninterrupted operation.

Another significant contribution is his patent for a "Linear Power Amplifier and Method for Canceling Intermodulation". This invention leverages a feedforward-type linear power amplifier that directly compares signals and utilizes variable attenuators and phase shifters to extract and cancel intermodulation distortion signals, ultimately resulting in a cleaner and clearer RF output signal.

Career Highlights

Ik-Soo Chang is employed at Samsung Electronics Co., Ltd., where he participates in research and development efforts that push the boundaries of communication technology. His expertise in linear power amplification has not only led to his patent advancements but has also solidified his reputation as an innovative engineer in the tech industry.

Collaborations

Throughout his career, Ik-Soo has collaborated with notable colleagues such as Young Kyoo Kim and Jong-Tae Park. These partnerships have fostered an environment of creativity and shared knowledge, further enhancing the innovation process within their projects.

Conclusion

Ik-Soo Chang continues to be a pivotal figure in the realm of RF amplification technology. His patent contributions reflect a deep understanding of electrical engineering principles and a commitment to driving technological advancements. As he progresses in his career at Samsung Electronics Co., Ltd., the innovations he spearheads will likely lead to future breakthroughs in the industry.