Haiyang Zhu

Title: Innovations of Inventor Haiyang Zhu

Introduction

Haiyang Zhu is a notable inventor based in Wilmington, MA (US), recognized for his contributions to the field of analog-to-digital conversion technology. With a total of seven patents to his name, Zhu has made significant advancements that enhance the performance of electronic devices.

Latest Patents

One of his latest patents focuses on the digital correction of digital-to-analog converter errors in continuous-time analog-to-digital converters. This innovation involves a continuous-time pipeline stage where an analog input signal is processed through two distinct paths. The first path, known as the 'feedforward' path, incorporates a sub-ADC and a sub-DAC, while the second path features an analog delay circuit. This design allows for the alignment of delays between the two paths, ultimately generating a residue signal that improves the overall performance by correcting known errors in the digital domain. Another significant patent addresses current source calibration that tracks temperature and bias current. This circuit includes a calibrated trim circuit that adjusts the output current based on the transconductance of the current source, ensuring accurate tracking of current mismatches under varying conditions.

Career Highlights

Throughout his career, Haiyang Zhu has worked with prominent companies such as Analog Devices, Inc. and Analog Devices International Unlimited Company. His work in these organizations has contributed to the development of cutting-edge technologies in the field of electronics.

Collaborations

Zhu has collaborated with notable professionals in the industry, including Ronald Alan Kapusta and David Paul Foley. These partnerships have further enriched his innovative endeavors and expanded the impact of his inventions.

Conclusion

Haiyang Zhu's contributions to the field of analog-to-digital conversion technology demonstrate his expertise and commitment to innovation. His patents reflect a deep understanding of electronic systems and a drive to enhance their performance.