Company Filing History:
Years Active: 1989-1999
Title: Richard M Dougherty: Innovator in Advanced MMIC Technologies
Introduction
Richard M Dougherty, an accomplished inventor based in Scottsdale, AZ, has made significant contributions to the field of microwave and millimeter-wave integrated circuits. With a total of seven patents to his name, his innovative work primarily focuses on the development of distributed MMIC (Monolithic Microwave Integrated Circuit) technologies, enhancing the capabilities of modern communication systems.
Latest Patents
Among his latest patents, the "Distributed MMIC Active Quadrature Hybrid" and the "Transconductance Mixer with Feedback" stand out for their technical sophistication. The distributed MMIC active quadrature hybrid provides in-phase (I) and quadrature-phase (Q) outputs over an octave bandwidth. This design includes in-phase and quadrature-phase amplifying elements arranged in a distributed manner, utilizing FETs with series inductive and capacitive feedback to maintain phase differences and amplitude tracking. Meanwhile, the transconductance mixer employs an active device (such as a FET) to multiply multiplicand signals, generating a precise product signal. With a strategically designed input matching and conditioning network, it ensures optimal impedance matching, contributing to its efficiency and performance.
Career Highlights
Richard M Dougherty has made his professional mark within Motorola Corporation, an influential player in telecommunications and semiconductor technology. His work showcases a deep understanding of signal processing and circuit design, positioning him as a leader in his field. His patents not only reflect his technical expertise but also his commitment to advancing innovative solutions in radio frequency applications.
Collaborations
Throughout his career, Dougherty has collaborated with esteemed colleagues such as Ronald F Kielmeyer and Michael Dydyk. These partnerships have facilitated a rich exchange of ideas and expertise, further propelling advancements in MMIC technologies and contributing to their successful patent applications.
Conclusion
Richard M Dougherty’s inventive spirit, coupled with his collaborative efforts, continues to influence the landscape of microwave technologies. His patents represent crucial steps forward in the field, enhancing communication systems and setting the stage for future innovations. As he continues his work at Motorola Corporation, Dougherty remains a key figure in the development of advanced electronic devices integral to modern telecommunications.