Hao Luo

Title: Innovations by Hao Luo in Digital-to-Analog Conversion

Introduction

Hao Luo is a prominent inventor based in Hangzhou, China, known for his contributions to the field of digital-to-analog conversion. With a total of three patents to his name, he has made significant advancements that address critical challenges in the industry.

Latest Patents

One of Hao Luo's latest patents is focused on background timing skew error measurement for RF DAC. This innovation enhances digital-to-analog conversion by generating an analog output that corresponds to a digital input. The process involves controlling unit elements or cells using data bits from the digital input. Due to variations in process, voltage, and temperature, these unit elements may experience mismatches that can degrade the quality of the analog output. To mitigate this issue, a transparent dither is employed to extract the mismatches by observing the analog output and performing a cross-correlation with the dither. Once identified, adjustments can be made to the unit elements to reduce these mismatches.

Another notable patent by Hao Luo is the adaptive toggle number compensation for reducing data-dependent supply noise in digital-to-analog converters. This technique involves setting a target toggle number for multiple DAC units that convert portions of a digital data sample. By applying adaptive methods to achieve this target toggle number, the invention aims to minimize data-dependent supply noise. This approach deliberately limits the number of DAC units that switch between digital inputs, resulting in significant power savings compared to conventional methods.

Career Highlights

Hao Luo is currently employed at Analog Devices International Unlimited Company, where he continues to innovate in the field of digital-to-analog conversion. His work has garnered attention for its practical applications and potential to improve the efficiency of DACs.

Collaborations

Hao Luo collaborates with talented individuals such as Jialin Zhao and Steven C Rose, contributing to a dynamic work environment that fosters innovation and creativity.

Conclusion

Hao Luo's contributions to digital-to-analog conversion through his patents demonstrate his expertise and commitment to advancing technology in this field. His innovative approaches address critical challenges and pave the way for more efficient electronic devices.