Company Filing History:
4 out of 41,672 
1 out of 2,932 
Years Active: 2010-2024
Introduction
Jongshick Ahn is a prominent inventor based in San Diego, CA, known for his innovative contributions to electrical engineering and technology. With a total of five patents, Ahn has made significant advancements, particularly in high voltage supply systems and envelope tracking techniques for radio frequency amplifiers.
Latest Patents
Ahn's latest inventions include two significant patents. The first is a **High Voltage Supply Clamp**, which features a clamp that incorporates first and second transistors connected in series between a power bus and the ground. This clamp includes a resistive voltage divider that biases the gates of both transistors based on the supply voltage, along with a capacitive voltage divider that activates the transistors in response to voltage transients exceeding a trigger threshold.
The second patent is for an **Envelope Tracking System Having Fast Transition Time for a Radio Frequency (RF) Amplifier**. This system consists of an envelope signal generator and a supply modulator with a switching regulator path. The design aims to provide an output voltage efficiently to a power amplifier, utilizing a combination of an average power tracking mode and an envelope tracking mode to ensure optimal performance. The system features a switch to selectively disconnect a capacitor from the output node, alongside a bi-directional current-limiting switch that manages the charging and discharging of the capacitor.
Career Highlights
Throughout his career, Jongshick Ahn has collaborated with notable organizations such as Qualcomm Incorporated and the University of Florida Research Foundation. His work has significantly impacted the development of advanced technology solutions in the field of electrical and electronic systems.
Collaborations
Ahn has worked alongside talented individuals in his field, including coworkers Iulian Mirea and Eric B. Zeisel. Their collaborative efforts underscore the importance of teamwork in achieving innovative breakthroughs and advancing technology.
Conclusion
Jongshick Ahn’s contributions to innovation in high voltage supply and envelope tracking technologies exemplify his commitment to enhancing electronic systems. With his impressive portfolio of patents and experiences at leading institutions, he continues to influence the landscape of electrical engineering and serves as an inspiration for future inventors in the industry.