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. 26, 2021
Filed:
Sep. 18, 2019
Renesas Electronics Corporation, Tokyo, JP;
Tomoyuki Tanaka, Tokyo, JP;
Takahiro Nakamura, Tokyo, JP;
RENESAS ELECTRONICS CORPORATION, Tokyo, JP;
Abstract
A phase shifter capable of improving phase accuracy by a simple method is provided. The phase shifter includes a hybrid coupler circuit including inductors with mutual inductances, an amplifying circuit, an impedance matching circuit provided between the hybrid coupler circuit and the amplifying circuit. The impedance matching circuit includes a first resistance element connected to an output node of the hybrid coupler circuit, a capacitance element connected between the first resistance element and the ground line in series, another inductor connected in parallel with the first resistance element, and a second resistance element provided between the inductor and the ground line in series.