Location History:
- Daejeon, KR (2009 - 2010)
- Daejeon-si, KR (2014)
- Gyeonggi-do, KR (2014)
- Gyunggi-do, KR (2011 - 2016)
- Suwon-si, KR (2016 - 2020)
Company Filing History:
49 out of 7,603 
4 out of 2,619 
Years Active: 2009-2020
Areas of Expertise:
Title: The Innovative Contributions of Youn Suk Kim in Power Amplifier Technology
Introduction
Youn Suk Kim is a distinguished inventor located in Gyunggi-do, South Korea, known for his significant contributions to power amplifier technology. With an impressive portfolio of 49 patents, he has demonstrated a remarkable capacity for innovation in his field.
Latest Patents
Among his latest inventions, Kim developed the "Adaptive Multiband Power Amplifier Apparatus." This apparatus features an envelope tracking (ET) current bias circuit that generates a first ET bias current by computing a direct current (DC) based on a reference voltage and ET voltage as per the envelope of an input signal. It includes a power amplifier circuit equipped with a bipolar junction transistor that is supplied with the first ET bias current to amplify the input signal, ensuring that the average current of the first ET bias remains substantially constant.
Another notable patent from Kim is the "Bias Circuit and Power Amplifier Having the Same." This invention describes a bias circuit that provides varying bias voltages depending on the power mode through a simplified design. Additionally, it includes a power amplifier that employs a bias setting unit to change the voltage level of a control signal, as determined by the state of a first transistor that switches from high power mode to low power mode.
Career Highlights
Kim has also made significant advancements during his time at renowned companies such as Samsung Electro-Mechanics Co., Ltd. and the Korea Advanced Institute of Science and Technology. His extensive work in these reputable organizations has further solidified his reputation as an innovator in the field of electrical engineering.
Collaborations
Throughout his career, Youn Suk Kim has collaborated with esteemed colleagues, including Ki Joong Kim and Jun Goo Won. These partnerships have enabled him to explore new ideas and improve his inventions, fostering a collaborative spirit that is often crucial in the realm of technological development.
Conclusion
In conclusion, Youn Suk Kim's extensive collection of patents underscores his innovative spirit and commitment to advancing power amplifier technology. His recent inventions, combined with his professional collaborations, not only spotlight his contributions but also highlight the importance of continuous innovation in the field of electronics.