Bang-Sup Song

Title: **Innovations by Bang-Sup Song: A Talent in Advanced Circuits**

Introduction

Bang-Sup Song, an accomplished inventor based in La Jolla, CA, has made significant contributions to the field of electronic circuits with a total of seven patents to his name. His innovative work focuses primarily on improving the performance and efficiency of track and hold circuits, which are essential in various electronic devices for signal processing.

Latest Patents

Among his latest patents, Bang-Sup Song introduced a “Switch linearized track and hold circuit for switch linearization.” This invention addresses non-linear threshold voltage variations in CMOS track and hold circuits. It utilizes a boost capacitor and a feedback amplifier to add a signal-dependent threshold voltage, greatly enhancing the control of sampling in the circuit. Notably, there is a modified embodiment that eliminates the capacitive boost, relying solely on the feedback amplifier for the threshold voltage boost. In addition, another embodiment utilizes a diode connected transistor alongside the boost capacitor for the same purpose, showcasing his unique approach to circuit design.

Another important patent includes the “Track and hold with dual pump circuit.” This invention features a dual pump circuit comprising a transmission gate and a dual charge pump. Each transmission gate includes a p-channel and an n-channel transistor, effectively linearizing their operation by maintaining a constant gate-source voltage minus the threshold voltage (VGS−VT). This innovation finds application in track and hold circuits, ensuring precise input signal sampling timing.

Career Highlights

Bang-Sup Song has worked with prestigious companies including Intersil Americas Inc. and Rockwell Technologies, Inc., where he has honed his expertise in circuit design and innovation. His work has played a crucial role in developing advanced electronic solutions that are utilized across various industries.

Collaborations

Throughout his career, he has collaborated with notable engineers and inventors such as Kantilal Bacrania and Hsin-Shu Chen. Their collective efforts have contributed to the advancement of technologies in track and hold circuit designs, showcasing the power of teamwork in fostering innovation.

Conclusion

With his wealth of knowledge and experience, Bang-Sup Song continues to stand out as a prominent figure in the field of electronic circuit innovation. His patents not only showcase his technical prowess but also his commitment to advancing technology in a way that benefits various applications in modern electronics.