Shubao Guo

Title: Shubao Guo: Innovator in CMOS Temperature Detection

Introduction

Shubao Guo is a notable inventor based in Suzhou, China. He has made significant contributions to the field of electronics, particularly in the development of temperature detection circuits. His innovative work has led to the filing of a patent that showcases his expertise in CMOS technology.

Latest Patents

Shubao Guo holds a patent for a Sub-threshold CMOS temperature detector. This invention features a CMOS temperature detection circuit that includes a start-up circuit for generating a start-up voltage (VN). Additionally, it incorporates a proportional to absolute temperature (PTAT) current generator that is coupled to the start-up circuit for generating a PTAT current. The start-up voltage activates the PTAT current generator, which utilizes the sub-threshold characteristics of CMOS to produce the PTAT current. Furthermore, a PTAT voltage generator is connected to the PTAT current generator, receiving the PTAT current to generate both a PTAT voltage and an inverse PTAT voltage (VBE). A comparator circuit linked to the voltage generator compares the inverse PTAT voltage to defined alarm limits, generating an alarm signal based on the comparison results. This patent highlights his innovative approach to temperature detection.

Career Highlights

Shubao Guo is currently employed at Freescale Semiconductor, Inc., where he continues to develop cutting-edge technologies. His work at the company has allowed him to apply his knowledge and skills in practical applications, contributing to advancements in semiconductor technology.

Collaborations

Shubao has collaborated with notable coworkers, including Xiaowen Wu and Zhenguo Sun. These collaborations have fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Shubao Guo is a distinguished inventor whose work in CMOS temperature detection has made a significant impact in the field of electronics. His patent for the Sub-threshold CMOS temperature detector exemplifies his innovative spirit and technical expertise. Through his career at Freescale Semiconductor, Inc., he continues to push the boundaries of technology and contribute to advancements in the industry.