Company Filing History:
Years Active: 2022-2024
Title: Jianjun Yu - Innovator in Phase-Locked Loop Technology
Introduction
Jianjun Yu is a prominent inventor based in San Diego, CA, known for his contributions to the field of electronics, particularly in phase-locked loop (PLL) technology. With a total of four patents to his name, Yu has made significant advancements that enhance the performance and efficiency of electronic systems.
Latest Patents
Among his latest innovations, Jianjun Yu has developed a tuning voltage tracker for receive/transmit phase-locked loop (PLL) fast switching. This invention includes methods and apparatus for storing a control voltage of a PLL when switching from mission mode to standby mode, and for restoring the control voltage when returning to mission mode. The PLL circuit he designed features a charge pump, a voltage-controlled oscillator (VCO), and a tracking circuit that samples and saves voltage representations to ensure seamless transitions between operational modes. Additionally, he has worked on a low power digital-to-time converter (DTC) linearization, which involves a sophisticated apparatus designed to optimize input voltage processing and output generation.
Career Highlights
Jianjun Yu is currently employed at Qualcomm Incorporated, a leading company in wireless technology and telecommunications. His work at Qualcomm has allowed him to apply his innovative ideas in a practical setting, contributing to the development of cutting-edge technologies that impact various industries.
Collaborations
Throughout his career, Yu has collaborated with
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