Location History:
- Princeton, NJ (US) (1985)
- Trenton, NJ (US) (1984 - 1986)
Company Filing History:
Years Active: 1984-1986
Title: Innovations of James C. Whartenby
Introduction
James C. Whartenby is a notable inventor based in Trenton, NJ, who has made significant contributions to the field of electrical engineering. He holds three patents that showcase his expertise in developing advanced predistortion circuits for power amplifiers. His work has implications for improving the performance of solid-state power amplifiers and traveling wave tube amplifiers.
Latest Patents
Whartenby's latest patents include a predistortion circuit designed for use with solid-state power amplifiers or traveling wave tube amplifiers. This circuit addresses phase and amplitude nonlinearities by producing gain and phase distortion that complements the associated power amplifier. The design features a hybrid circuit that splits the input signal into two output signals with a 90-degree phase difference, utilizing dual gate FETs or other active nonlinear devices.
Another significant patent is the predistortion circuit with feedback, which is tailored for microwave power amplifiers. This circuit also addresses phase and amplitude nonlinearities and includes a 180-degree coupler. The coupler facilitates the control of phase change and attenuation to minimize the nonlinearities of the signal produced by the power amplifier.
Career Highlights
Whartenby has had a distinguished career at RCA Inc., where he has been instrumental in advancing technologies related to power amplification. His innovative designs have contributed to the efficiency and effectiveness of various electronic systems.
Collaborations
Throughout his career, Whartenby has collaborated with talented individuals such as Mahesh Kumar and Richard N. Brown. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
James C. Whartenby is a prominent inventor whose work in predistortion circuits has significantly impacted the field of electrical engineering. His patents reflect a deep understanding of the complexities involved in power amplification, and his contributions continue to influence advancements in this area.