Dong-Pil Chang

Title: The Innovations of Dong-Pil Chang

Introduction

Dong-Pil Chang is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of electronics and telecommunications, holding a total of 4 patents. His work focuses on enhancing the performance and efficiency of electronic devices.

Latest Patents

One of his latest patents is a 3-way balun for a planar-type double balanced mixer. This invention provides a 3-way balun that is compatible with a planar-type double balanced mixer, which includes a first output unit for receiving and outputting an input signal of a predetermined frequency. Additionally, it features second and third output units that are connected to the first output unit, outputting signals that are 180 degrees out of phase with the first output unit's signal and have half the amplitude. Another notable patent is an RF switch with high isolation performance. This RF switch utilizes semiconductor transistors, such as field effect transistors (FETs), to switch the path of an RF signal. It includes multiple resonators connected to an RF transmission line, with switching elements that interact with the resonators to enhance performance.

Career Highlights

Dong-Pil Chang is affiliated with the Electronics and Telecommunications Research Institute, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of RF and microwave technologies.

Collaborations

He has collaborated with notable coworkers, including In-Bok Yom and Jin-Cheol Jeong, contributing to various projects that push the boundaries of electronic research.

Conclusion

Dong-Pil Chang's contributions to the field of electronics and telecommunications are noteworthy. His innovative patents and collaborative efforts reflect his commitment to advancing technology.