John Francis O'Connor

Title: **John Francis O'Connor: A Pioneer in Communication Technologies**

Introduction

John Francis O'Connor is a notable inventor based in San Diego, California. With three patents to his name, O'Connor has significantly contributed to the field of communications technology. His innovative designs focus on methods and apparatuses that enhance the performance and efficiency of portable communication devices.

Latest Patents

Among O'Connor’s latest patents is a groundbreaking invention titled "Method and Apparatus for Filter Selection from a Frequency Synthesizer Data". This invention addresses the complexities of modern portable communications units, such as cellular telephones, that operate across multiple frequency bands for receiving and transmitting signals. The invention allows frequency synthesizer integrated circuits to manage filter configurations more efficiently, thus reducing the number of integrated circuit pins required and eliminating timing issues associated with frequency changes.

Another significant patent is the "Wideband, Variable Gain Amplifier". This innovative amplifier circuit employs a unique degeneration input stage to achieve a low Noise Figure and superior linearity. It is designed for fully integrated direct-conversion tuner circuits and features continuously variable gain functionality, enhancing the device's performance while avoiding voltage headroom issues. The design allows for precise matching to off-chip signal sources and maintains consistent performance across varying temperature and process conditions.

Career Highlights

Throughout his career, John Francis O'Connor has worked with leading companies in the telecommunications industry, including Conexant Systems, Inc. and Pacific Communication Sciences, Inc. His expertise in communication technology has helped advance the development of critical components in modern communication devices.

Collaborations

O'Connor has collaborated with esteemed colleagues such as Bert L. Fransis and Joseph T. Lipowski. These collaborations have undoubtedly facilitated knowledge sharing and innovation in their respective projects and inventions.

Conclusion

John Francis O'Connor's contributions to the field of communications technology underscore his role as an impactful inventor. His patents not only enhance the capabilities of modern communication devices but also streamline their functionality, paving the way for more efficient and versatile technologies in the telecommunications landscape. O'Connor's work represents a significant stride towards improving how electronic devices manage and transmit information across multiple channels.