John D Russell

Title: John D. Russell: Innovator in Tunable Bandpass Filter Technology

Introduction

John D. Russell is a notable inventor based in Rochester, NY (US). He has made significant contributions to the field of RF technology, particularly in the development of tunable bandpass filters. With a total of 3 patents to his name, Russell's work has had a considerable impact on the industry.

Latest Patents

One of Russell's latest patents is for a high linearity tunable bandpass filter. This innovative device allows for the input of an RF signal, which is then processed through a tunable bandpass filter. A level shifted control signal is used to switch between different arrangements of tuning portions within the filter. The design incorporates a GaAs FET switch, which plays a crucial role in producing an RF signal with a desired predetermined frequency at the output. The tuning portions include capacitors that can be arranged in parallel, enhancing the filter's functionality.

Career Highlights

John D. Russell is currently employed at Harris Corporation, where he continues to advance his research and development efforts. His work at the company has allowed him to collaborate with other talented engineers and inventors in the field.

Collaborations

One of Russell's notable coworkers is Thomas Daniel O'Brien. Their collaboration has likely contributed to the innovative advancements in RF technology and tunable bandpass filters.

Conclusion

John D. Russell's contributions to the field of tunable bandpass filters exemplify his innovative spirit and dedication to advancing technology. His patents and work at Harris Corporation highlight his role as a key player in the industry.