Company Filing History:
Years Active: 2017-2024
Title: Innovations of Kyu Jun Cho
Introduction
Kyu Jun Cho is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of electronics, particularly in the development of advanced circuits and systems. With a total of nine patents to his name, Cho's work has had a considerable impact on the telecommunications industry.
Latest Patents
One of his latest patents is a switch circuit for the 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 also features an inductor connected to the transistor in parallel, a variable gate driver to apply a gate input voltage, and an input resistor connected between the variable gate driver and the gate terminal. 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 in a turn-off state.
Another notable patent is a frequency mixer that includes a first matching circuit generating a matched local oscillator (LO) signal based on an LO signal. This frequency mixer also features a non-linear circuit that generates a non-linear LO signal, a second matching circuit for generating a matched radio frequency (RF) signal, and a mixing circuit that produces 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
Kyu Jun Cho is affiliated with the Electronics and Telecommunications Research Institute, where he has been instrumental in advancing research and development in electronic systems. His innovative work has positioned him as a key figure in the field, contributing to various projects that enhance telecommunications technology.
Collaborations
Cho has collaborated with notable colleagues, including Dong Min Kang and Byoung-Gue Min. Their combined expertise has fostered a productive environment for innovation and development in their respective projects.
Conclusion
Kyu Jun Cho's contributions to the field of electronics and telecommunications are noteworthy. His innovative patents and collaborative efforts have significantly advanced technology in this sector. His work continues to inspire future innovations in electronic systems.
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