John Choma

Title: John Choma: Innovator in Pre-Distortion Technology

Introduction

John Choma is a notable inventor based in San Dimas, California. He has made significant contributions to the field of signal processing, particularly in the development of pre-distortion technology. With a total of 2 patents to his name, Choma's work has had a considerable impact on the industry.

Latest Patents

Choma's latest patents include innovative apparatuses for pre-distortion and memory compensation. The first patent focuses on a pre-distortion and memory compensation apparatus designed for non-linear components. This apparatus features an adaptive block that generates multiple correlation coefficients, which are utilized to weight various synthesis work functions to pre-distort a given signal. The adaptive block operates based on an error signal derived from feedback and a delayed version of the input signal. This technology is capable of functioning directly at radio frequency. Additionally, the patent outlines methods for generating quadrature signals, transconductance amplification using negative resistance, variable-gain amplification, and envelope detection.

The second patent also centers on pre-distortion apparatuses and methods for non-linear components. Similar to the first, it includes an adaptive block for generating correlation coefficients to pre-distort signals. The apparatus is designed to operate at radio frequency and includes methods for quadrature signal generation and amplification techniques.

Career Highlights

Choma is currently employed at Scintera Networks, Inc., where he continues to innovate in the field of signal processing. His work at Scintera Networks has allowed him to apply his expertise in developing advanced technologies that enhance communication systems.

Collaborations

Throughout his career, Choma has collaborated with talented individuals such as Arvind Vijay Keerthi and Madabusi Govindarajan. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

John Choma is a distinguished inventor whose work in pre-distortion technology has paved the way for advancements in signal processing. His patents reflect a commitment to innovation and excellence in the industry.