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.

Date of Patent:
Jun. 25, 2024

Filed:

Feb. 18, 2022
Applicant:

Murata Manufacturing Co., Ltd., Nagaokakyo, JP;

Inventor:

Takuya Sato, Nagaokakyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/42 (2006.01); H01F 27/28 (2006.01); H01P 5/10 (2006.01); H03H 7/01 (2006.01); H03H 7/09 (2006.01); H03H 1/00 (2006.01);
U.S. Cl.
CPC ...
H03H 7/42 (2013.01); H01F 27/2804 (2013.01); H01P 5/10 (2013.01); H03H 7/0115 (2013.01); H03H 7/09 (2013.01); H01F 2027/2809 (2013.01); H03H 2001/0085 (2013.01);
Abstract

A balun includes an unbalanced terminal, balanced terminals, and lines, and converts a signal between an unbalanced line and an balanced line. A first line is connected between the unbalanced terminal and a reference potential. A second line is connected between the balanced terminal and the reference potential, and is coupled to the first line. A third line is connected between the balanced terminal and the reference potential, and is coupled to the first line. A fourth line is connected in parallel to the second line, and is coupled to the third line. The fourth line is configured such that a signal with an opposite phase to that of a signal passing through the third line passes through the fourth line.


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