Zhaohui Wu

Title: Zhaohui Wu: Innovator in On-Chip Differential Active RC Filters

Introduction

Zhaohui Wu is a prominent inventor based in Guangdong, China. He has made significant contributions to the field of electronic engineering, particularly in the development of calibration and tuning methods for on-chip differential active RC filters. With a total of 3 patents to his name, Wu's work is recognized for its innovative approaches to enhancing electronic circuit performance.

Latest Patents

One of Wu's latest patents is a calibration method and tuning method for an on-chip differential active RC filter. This method involves obtaining the zero-crossing time of a differential signal outputted by a single-pole point real number filter. By analyzing this filter, Wu sets a reference clock period based on the relationship between the zero-crossing time and the bandwidth of the filter. The calibration working time sequence is then established according to this reference clock period, allowing for effective calibration of the RC array.

Another notable patent is a chopper amplifying circuit employing a negative impedance compensation technique. This circuit includes a differential input end, multiple chopper switches, amplifying circuits, and a negative impedance converting circuit. The design aims to improve the performance of amplifying circuits by effectively managing negative impedance, thereby enhancing signal integrity.

Career Highlights

Zhaohui Wu is affiliated with the South China University of Technology, where he continues to engage in research and development in electronic engineering. His work has not only advanced theoretical knowledge but has also led to practical applications in the industry.

Collaborations

Wu collaborates with esteemed colleagues such as Bin Li and Zhiming Liang, contributing to a dynamic research environment that fosters innovation and technological advancement.

Conclusion

Zhaohui Wu's contributions to the field of electronic engineering, particularly through his patents on calibration methods and chopper amplifying circuits, highlight his role as a key innovator. His work continues to influence the development of advanced electronic systems, showcasing the importance of innovation in technology.