Cheng-Ta Wei

Title: Innovator Cheng-Ta Wei: Advancing Clock and Data Recovery Technologies

Introduction

Cheng-Ta Wei, an accomplished inventor based in Hsinchu, Taiwan, has made significant contributions to the field of electronics with his innovative patents. With a portfolio of two patents, Wei's work focuses primarily on clock and data recovery circuits, demonstrating his expertise and commitment to advancing technology.

Latest Patents

Wei's latest patents showcase his ingenuity in improving electronic systems. The first patent involves a clock and data recovery circuit that incorporates a phase detector, a charge pump, a loop filter, a voltage-controlled oscillator, and a frequency divider. This sophisticated system ensures an efficient operation by utilizing a current mirror that has both a current-controlling and a current-outputting path in a proportional relationship. The control circuit plays a crucial role in adjusting the current flow based on control voltage, while the current modulation module generates a differential current based on judging signals. Furthermore, the current-controlled oscillator fine-tunes the phase of the second output clock signal in relation to the combined effects of differential current and the current from the outputting path.

Wei's second patent details a wide-locking range phase locked loop circuit which consists of a decision unit and a closed loop connection featuring a phase frequency detector, a charge pump, a loop filter, a voltage-controlled oscillator, and a multi-modulus divider. This innovation effectively addresses the challenges of phase difference signals that indicate an unlocked state while ensuring that the control voltage remains within optimal operation ranges.

Career Highlights

Working at Faraday Technology Corporation, Cheng-Ta Wei is at the forefront of electronic design and innovation. His research and developments have not only contributed to the company but have also advanced the entire field of data recovery technologies.

Collaborations

Collaboration is a key aspect of Wei's success. He has worked alongside talented peers such as Ming-Shih Yu and Ren-Hong Luo, pooling knowledge and skills to create groundbreaking solutions in electronics.

Conclusion

Cheng-Ta Wei's inventive spirit and technical prowess have earned him recognition in the realm of innovation, particularly in clock and data recovery systems. As technology continues to evolve, his patents exemplify the importance of continuous improvement in electronic devices, paving the way for future advancements in the industry.