Company Filing History:
Years Active: 1997
Title: Chang-Sik Yu: Innovator in Low Power Output Buffer Circuits
Introduction
Chang-Sik Yu is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of electronics, particularly in the development of low power output buffer circuits. His innovative approach has led to advancements that enhance the efficiency of electronic devices.
Latest Patents
Chang-Sik Yu holds a patent for a low power output buffer circuit. This invention focuses on outputting an Emitter Coupled Logic (ECL) signal or Pseudo ECL (PECL) signal using a CMOS device. The prior art differential output buffer circuit consists of two independent output buffer circuits, each utilizing 50 ohms of load resistors and requiring 100 mW of total power to operate. In contrast, Yu's invention simplifies the output buffer circuit by connecting 100 ohms of load resistors with a center tap to ground, effectively reducing the power consumption by half compared to the previous designs.
Career Highlights
Throughout his career, Chang-Sik Yu has worked with prominent organizations such as the Electronics and Telecommunications Research Institute and the Korea Telecommunication Authority. His experience in these institutions has allowed him to refine his skills and contribute to significant technological advancements.
Collaborations
Chang-Sik Yu has collaborated with notable colleagues, including Sang-Hoon Chai and Won-Chul Song. Their teamwork has fostered an environment of innovation and creativity in their respective projects.
Conclusion
Chang-Sik Yu's contributions to low power output buffer circuits exemplify his commitment to innovation in electronics. His work not only enhances the efficiency of electronic devices but also paves the way for future advancements in the field.