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:
Jan. 13, 2026
Filed:
Sep. 25, 2023
Richwave Technology Corp., Taipei, TW;
Yu-Siang Huang, Taipei, TW;
Chih-Sheng Chen, Taipei, TW;
RichWave Technology Corp., Taipei, TW;
Abstract
A radio frequency switch includes a signal terminal, a reference voltage terminal, and a shunt switch path. The shunt switch path includes a first transistor and a second transistor. The first transistor includes a first terminal coupled to the signal terminal, a second terminal, and a control terminal. The second transistor includes a first terminal coupled to the second terminal of the first transistor, a second terminal coupled to the reference terminal, and a control terminal. When the shunt switch path is switched to a first state, the shunt switch path has a first impedance. When the shunt switch path is switched to a second state, the shunt switch path has a second impedance, the first impedance and the second impedance being different. The first impedance is between 40 ohms to 85 ohms.