Company Filing History:
Years Active: 2014-2017
Title: Innovations of Yunfei Shi in Envelope Tracking Technology
Introduction
Yunfei Shi is a prominent inventor based in San Diego, CA, known for his contributions to the field of envelope tracking technology. He holds a total of 6 patents that showcase his innovative approaches to enhancing amplifier performance and power efficiency.
Latest Patents
One of his latest patents is titled "Envelope tracker with variable boosted supply voltage." This invention focuses on techniques for efficiently generating a variable boosted supply voltage for amplifiers and other circuits. The design includes an amplifier, a boost converter, and a boost controller, which work together to optimize the output voltage and current based on an envelope signal. Another significant patent is "Dynamic headroom for envelope tracking," which describes methods for dynamically generating a headroom voltage for an envelope tracking system. This innovation allows for the adjustment of the headroom voltage to minimize power consumption while ensuring linear performance of the power amplifier.
Career Highlights
Yunfei Shi is currently employed at Qualcomm Incorporated, a leading company in telecommunications and semiconductor technology. His work at Qualcomm has positioned him as a key player in the development of advanced technologies that improve the efficiency and performance of electronic devices.
Collaborations
Yunfei has collaborated with notable colleagues, including Lennart Karl-Axel Mathe and Song Shi, who contribute to the innovative environment at Qualcomm.
Conclusion
Yunfei Shi's contributions to envelope tracking technology reflect his commitment to innovation and excellence in the field. His patents not only enhance amplifier performance but also pave the way for more efficient electronic systems.