Company Filing History:
Years Active: 2007-2014
Title: Michael Hellmer: Innovator in Frequency Synthesis Technology
Introduction
Michael Hellmer is a prominent inventor based in Carlsbad, CA (US). He has made significant contributions to the field of frequency synthesis technology, holding a total of 8 patents. His work focuses on enhancing the performance and reliability of phase-locked loops and clock data recovery systems.
Latest Patents
Among his latest patents is the "Fractional phase-locked loop with dynamic divide ratio adjustment." This invention involves systems and methods for a Phase-Locked Loop (PLL) based frequency synthesizer that incorporates a dynamic fraction divider in a feedback loop. The dynamic fraction divider adjusts its divide ratio in response to jitters and noise spurs in the input signal, generating a feedback signal that fine-tunes the PLL output frequency. The divide ratio is determined by comparing the phases of the PLL output signal and the input signal.
Another notable patent is for "Auto frequency acquisition maintenance in a clock and data recovery device." This system and method facilitate automatic frequency acquisition maintenance in a clock and data recovery (CDR) device. During the automatic frequency acquisition (AFA) mode, a phase detector (PHD) is utilized to capture the phase of a non-synchronous input communication signal. In cases of signal loss, a frequency ratio value is retrieved from memory to generate a synthesized signal, ensuring continuous operation and recovery of the input signal's frequency.
Career Highlights
Michael Hellmer has established himself as a key figure in the field of frequency synthesis while working at Applied Micro Circuits Corporation. His innovative approaches have led to advancements in communication technologies, making significant impacts in various applications.
Collaborations
Throughout his career, Michael has collaborated with talented individuals such as Kenneth Yun and Kirk Alvin Miller. These partnerships have fostered a creative environment that has contributed to the development of groundbreaking technologies.
Conclusion
Michael Hellmer's contributions to frequency synthesis technology exemplify his dedication to innovation and excellence. His patents reflect a deep understanding of complex systems and a commitment to enhancing communication technologies. His work continues to influence the industry and inspire future advancements.
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