Jefferson Dean Lexa

Title: Innovations of Jefferson Dean Lexa

Introduction

Jefferson Dean Lexa is a notable inventor based in Jackson, Ohio, with a remarkable portfolio of eight patents. His work primarily focuses on advanced power sensing technologies, showcasing his expertise in the field of electrical engineering.

Latest Patents

One of Lexa's latest inventions is the RF coaxial thermal power sensor. This innovative coaxial power sensor assembly is designed to provide a broadband matched termination using coplanar waveguide topology. It simultaneously delivers heat energy for a surface mount chip thermistor element, which measures applied input power. The sensor comprises a thin film resistive device on a dielectric substrate, with the thermistor element placed in close proximity to maximize heat flux. This design allows for accurate measurement of resistance and is intended to function from DC to 70 GHz, although this should not be seen as a limitation.

Another significant invention is the non-directional in-line suspended PCB power sensing coupler. This configuration is situated within a high-frequency transmission line housing, allowing for non-directional current and sampling voltage elements to be produced simultaneously on one or more double-sided printed circuit boards. This power sensor coupling enables repeatable calibrated coupling responses across a wider frequency range with a single PCB assembly, eliminating the need for multiple individually fabricated coupling element assemblies.

Career Highlights

Throughout his career, Lexa has contributed to various companies, including Tegam, Inc. His work has significantly impacted the field of power sensing technology, leading to advancements that benefit numerous applications.

Collaborations

Lexa has collaborated with notable professionals in his field, including Andrew S Brush and John D Swank. Their combined expertise has fostered innovation and development in power sensing technologies.

Conclusion

Jefferson Dean Lexa's contributions to the field of electrical engineering through his patents and collaborations highlight his role as a significant innovator. His work continues to influence advancements in power sensing technology, showcasing the importance of innovation in engineering.