The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 03, 2026
Filed:
Oct. 23, 2023
Realtek Semiconductor Corp., Hsinchu, TW;
Chia-Hsiang Hsu, Hsinchu, TW;
Chih-Chieh Wang, Hsinchu, TW;
REALTEK SEMICONDUCTOR CORP., Hsinchu, TW;
Abstract
An impedance transformation circuit and a radio frequency power reliability test system are provided. The impedance transformation circuit can be used in a radio frequency power measurement system. The radio frequency power measurement system includes a signal generator, a buffer, a device under test, an attenuator, and a spectrum analyzer. The impedance transformation circuit includes a plurality of impedance transformers, which correspond to a plurality of impedance points on a reflection coefficient circle of a Smith chart, respectively. In a radio frequency power reliability test, the impedance transformers are alternatively coupled between the device under test and the attenuator in turn, and the spectrum analyzer is configured to measure an output power corresponding to each of the impedance points, such that two of the impedance points respectively corresponding to a maximum output power and a minimum output power are found by the radio frequency power measurement system.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile