Location History:
- Dallas, TX (US) (2009)
- San Diego, CA (US) (2010 - 2013)
Company Filing History:
2 out of 41,572 
1 out of 5,469 
1 out of 29,279 
Years Active: 2009-2013
Title: Zhiheng Cao: Innovator in Digital-to-Analog Conversion and Power Amplification
Introduction
Zhiheng Cao is a prominent inventor based in San Diego, CA (US). He has made significant contributions to the fields of digital-to-analog conversion and power amplification. With a total of 5 patents to his name, his work has had a substantial impact on technology.
Latest Patents
Cao's latest patents include a low-power digital-to-analog converter and a multi-bit class-D power amplifier system. The low-power digital-to-analog converter features a digital segment with a digital data input and an analog segment that outputs an analog signal corresponding to the digital data. This design incorporates one or more gain stages and a feedback structure to minimize signal distortion at the analog output. The combined gain of the gain stages determines the signal distortion attenuation characteristic of the analog segment. The multi-bit class-D power amplifier system describes techniques for designing an efficient power amplifier. It utilizes multiple single unit instance class-D power amplifiers with coupled outputs to enhance efficiency and reduce quantization noise. Additionally, groups of these amplifiers resonate at unique frequencies, further improving performance across multiple frequency bands.
Career Highlights
Throughout his career, Zhiheng Cao has worked with notable organizations such as Qualcomm Incorporated and the University of Texas System. His experience in these institutions has allowed him to refine his skills and contribute to groundbreaking innovations in his field.
Collaborations
Cao has collaborated with esteemed colleagues, including Shouli Yan and Robert Floyd Payne. These partnerships have fostered an environment of creativity and innovation, leading to advancements in technology.
Conclusion
Zhiheng Cao's contributions to digital-to-analog conversion and power amplification exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving efficiency and performance in electronic systems.