Company Filing History:
Years Active: 2012-2014
Title: Innovations of Jun Zhao in Radio Frequency Technology
Introduction
Jun Zhao is a notable inventor based in Hillsboro, OR (US). He has made significant contributions to the field of radio frequency technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and performance of radio frequency circuits.
Latest Patents
One of Jun Zhao's latest patents is a radio frequency switch circuit. This invention provides a radio frequency (RF) power amplifier (PA) circuit that operates in both high-power and low-power modes. The RF PA circuit includes a high-power amplifier that delivers an amplified RF signal on a first path, and a low-power amplifier that provides an amplified RF signal on a second path. These paths intersect at a junction node, where a switch is positioned to toggle the circuit between the two modes. Additionally, a matching circuit is integrated on the second path to ensure optimal impedance matching at the fundamental frequency of the RF signal, while presenting an open circuit at the third harmonic. This design facilitates high efficiency for the RF PA circuit.
Another significant patent by Jun Zhao involves simultaneous harmonic termination in a push-pull power amplifier. This invention describes circuits and systems for a harmonic tuning network that is coupled with an RF push-pull power amplifier. The network is designed to terminate both second- and third-harmonic energies, enhancing the overall performance of the amplifier.
Career Highlights
Jun Zhao is currently employed at Triquint Semiconductor Corporation, where he continues to innovate in the field of radio frequency technology. His work has contributed to advancements in RF circuit design and efficiency.
Collaborations
One of his notable coworkers is Thomas R Apel, with whom he has likely collaborated on various projects within the company.
Conclusion
Jun Zhao's contributions to radio frequency technology through his patents demonstrate his expertise and commitment to innovation. His work continues to influence the field, paving the way for more efficient RF circuit designs.