Company Filing History:
Years Active: 2017-2020
Title: Chih-Chun Shen: Innovator in RF Signal Processing
Introduction
Chih-Chun Shen is a notable inventor based in Kaohsiung, Taiwan. He has made significant contributions to the field of radio frequency (RF) signal processing. With a total of 2 patents, his work focuses on improving the linearity of RF signals, which is crucial for various communication technologies.
Latest Patents
Chih-Chun Shen's latest patents include a "Linearity Improving System and Linearity Improving Method" and a "Power Amplifier Circuit." The linearity improving system comprises a coupler, a downconverter, and a transformer. The coupler is designed to couple a portion of an input RF signal. The downconverter converts the input RF signal to a fundamental frequency and outputs a modulation signal. The transformer adjusts the phase and power of the modulation signal. After these adjustments, the signals are inputted to an amplifier, which outputs an output RF signal. The power amplifier circuit features a power transistor, a variable impedance circuit, and first and second envelope detecting circuits. The power transistor receives an input signal and outputs an output signal. The variable impedance circuit's equivalent impedance varies with the input signal, allowing for dynamic control of the circuit's performance.
Career Highlights
Chih-Chun Shen is currently employed at the Industrial Technology Research Institute, where he continues to innovate in the field of RF technology. His work has been instrumental in advancing the capabilities of RF systems, making them more efficient and effective.
Collaborations
Chih-Chun has collaborated with talented coworkers such as Yu-Cheng Liu and Wei-Tsung Li. Their combined expertise has contributed to the successful development of innovative technologies in their field.
Conclusion
Chih-Chun Shen is a prominent figure in RF signal processing, with a focus on improving linearity through innovative systems and circuits. His contributions are paving the way for advancements in communication technologies.