Jongmin Lee

Title: Innovations of Jongmin Lee

Introduction

Jongmin Lee is a prominent inventor based in Daejeon, South Korea. He holds a total of 12 patents, showcasing his significant contributions to the field of electronics and telecommunications. His work primarily focuses on advanced circuit designs that enhance communication technologies.

Latest Patents

One of Jongmin Lee's latest patents is a switch circuit for an ultra-high frequency band. This invention includes a transistor with a first terminal connected to an input stage, a second terminal connected to an output stage, and a gate terminal. It features an inductor connected in parallel with the transistor, a variable gate driver for applying gate input voltage, and an input resistor. The variable gate driver adjusts the gate input voltage to turn the transistor on or off, with the second voltage level varying based on the capacitance between the first and second terminals when the transistor is off.

Another notable patent is a frequency mixer that includes a first matching circuit generating a matched local oscillator (LO) signal. This mixer utilizes a non-linear circuit to produce a non-linear LO signal based on the matched LO signal. It also features a second matching circuit for generating a matched radio frequency (RF) signal and a mixing circuit that creates a mixed signal from the non-linear LO signal and the matched RF signal. The non-linear circuit comprises a non-linear transistor, a bias transistor, and an internal matching circuit connected in series.

Career Highlights

Jongmin Lee has worked with reputable organizations such as the Electronics and Telecommunications Research Institute and the Industry & Academic Cooperation in Chungnam National University. His experience in these institutions has allowed him to develop innovative technologies that contribute to advancements in telecommunications.

Collaborations

Throughout his career, Jongmin Lee has collaborated with notable colleagues, including Byoung-Gue Min and Seong-Il Kim. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Jongmin Lee's contributions to the field of electronics and telecommunications are significant, as evidenced by his numerous patents and collaborations. His innovative designs continue to influence the development of advanced communication technologies.