Location History:
- Sunnyvale, CA (US) (2004)
- Palo Alto, CA (US) (2006)
Company Filing History:
Years Active: 2004-2006
Title: Payman Hosseinzadeh Shanjani: Innovator in Amplifier Technology
Introduction
Payman Hosseinzadeh Shanjani is a notable inventor based in Palo Alto, California. He has made significant contributions to the field of amplifier technology, holding two patents that enhance the efficiency and performance of variable power amplifiers. His work is particularly relevant in the realms of radio frequency and microwave applications.
Latest Patents
Shanjani's latest patents include a "Method and apparatus for compensating and improving efficiency in a variable power amplifier." This invention discloses a method and apparatus for an amplifier, such as a radio frequency amplifier, embodied as an integrated circuit. The embodiments provide for operating with good energy efficiency at multiple power levels. Resonant components act to provide consistent operating parameters over a wide range of power levels used. A compensating impedance is switched into or out of the circuit in high power mode to improve the match that would pertain without the compensation. Improved compensation and linearity may be provided using features disclosed. The invention may operate in the microwave region or at other RFs.
Another significant patent is titled "Dynamic matching in cascode circuits." This invention describes a method and apparatus for a variable gain cascode amplifier (or attenuator). The embodiments provide for a compensated input impedance. A gain/impedance controller compensates input impedance corresponding to gain adjustments.
Career Highlights
Payman Hosseinzadeh Shanjani is currently employed at Anadigics, Inc., where he continues to innovate in the field of amplifier technology. His work has been instrumental in developing solutions that enhance the performance of amplifiers used in various applications.
Collaborations
Shanjani has collaborated with notable colleagues, including Hamid Reza Rategh and Ngar Loong Alan Chan. Their combined expertise contributes to the advancement of technology in their field.
Conclusion
Payman Hosseinzadeh Shanjani is a distinguished inventor whose work in amplifier technology has led to significant advancements in energy efficiency and performance. His contributions continue to impact the industry positively.