John Keane

Title: John Keane: Innovator in Radio Frequency Technology

Introduction

John Keane is a prominent inventor based in County Cork, Ireland. He has made significant contributions to the field of radio frequency technology, holding a total of 6 patents. His innovative work has paved the way for advancements in RF transistors and switches.

Latest Patents

One of his latest patents is the "Radio frequency transistor stack with improved linearity." This invention describes an RF transistor stack that includes a first transistor with a T-gate layout configuration. The first transistor features a body region, multiple drain regions, and several source regions. A second transistor, also with a T-gate layout configuration, is included, which has similar structural features. The design incorporates an interconnect that operably couples the source regions of both transistors, effectively canceling distortion caused by asymmetry in RF voltage division.

Another notable patent is the "Radio frequency switch with improved switching time." This RF switch consists of an RF domain section with multiple RF switching elements and a DC domain section that controls these elements based on one or more control signals. A resistive load is placed between the RF and DC sections, along with a bypass circuit that selectively bypasses part of the resistive load, enhancing the switch's performance.

Career Highlights

John Keane is currently employed at Ferfics Limited, where he continues to innovate in the field of radio frequency technology. His work has been instrumental in developing cutting-edge solutions that address the challenges faced in RF applications.

Collaborations

Throughout his career, John has collaborated with notable colleagues, including Ian O'Regan and John O'Sullivan. These partnerships have fostered a creative environment that encourages the exchange of ideas and technological advancements.

Conclusion

John Keane's contributions to radio frequency technology exemplify the spirit of innovation. His patents reflect a deep understanding of the complexities involved in RF systems, and his work continues to influence the industry.