Yufeng Guo

Title: Yufeng Guo: Innovator in Crystal Oscillator Technology

Introduction

Yufeng Guo is a prominent inventor based in Jiangsu, China, known for his significant contributions to the field of electronics and signal processing. With a total of 10 patents to his name, Guo has made remarkable advancements in crystal oscillator technology and testing methods.

Latest Patents

One of Guo's latest patents is a "Crystal oscillator based on duty ratio measurement." This invention includes a first inverter, a resistor, a first load capacitor, a second load capacitor, first to fourth switches, a quartz crystal, a buffer, a sampling and holding module, a first comparator, a second comparator, a phase conversion module, a digital control module, and an energy injection module. The design allows for signal injection at one end of the quartz crystal, with the other end sampling and processing the signal to obtain information representing phase error accumulation. This innovative approach enables accurate measurement of the duty ratio, leading to precise phase switching.

Another notable patent is the "Reconfigurable MBIST method based on adaptive march algorithm." This method automatically reconfigures different algorithm circuits according to external environments and user instructions, addressing detection requirements for various faults. The adaptive March algorithm can reorganize algorithms with different complexities, allowing for dynamic adjustments between time complexities and fault coverage rates. This effectively improves dynamic fault coverage rates while maintaining high static fault coverage rates.

Career Highlights

Yufeng Guo has worked with reputable institutions, including the Nantong Institute of Nanjing University of Posts and Telecommunications and Nanjing University of Posts and Telecommunications. His work in these organizations has contributed to his expertise and innovation in the field.

Collaborations

Guo has collaborated with notable colleagues such as Zhikuang Cai and Jiafei Yao, further enhancing his research and development efforts.

Conclusion

Yufeng Guo's innovative work in crystal oscillator technology and adaptive testing methods showcases his significant impact on the field of electronics. His contributions continue to influence advancements in signal processing and fault detection.