US 12,230,859 B2
Balun
Takuya Sato, Kyoto (JP)
Assigned to MURATA MANUFACTURING CO., LTD., Kyoto (JP)
Filed by Murata Manufacturing Co., Ltd., Kyoto (JP)
Filed on Oct. 7, 2022, as Appl. No. 17/938,713.
Application 17/938,713 is a continuation of application No. PCT/JP2021/016434, filed on Apr. 23, 2021.
Prior Publication US 2023/0036529 A1, Feb. 2, 2023
Int. Cl. H03H 7/42 (2006.01); H01P 5/10 (2006.01); H01P 5/18 (2006.01); H04B 1/18 (2006.01)
CPC H01P 5/10 (2013.01) [H01P 5/187 (2013.01); H03H 7/42 (2013.01); H04B 1/18 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A balun comprising:
an unbalanced terminal;
a first balanced terminal and a second balanced terminal;
a first main line having a first end that is connected to the unbalanced terminal;
a second main line having a first end that is connected to a second end of the first main line, and having a second end that is open;
a first sub-line connected between the first balanced terminal and a reference potential and coupled to the first main line;
a second sub-line connected between the second balanced terminal and the reference potential, and coupled to the second main line; and
a first line having a first end that is connected to a midpoint of the first sub-line, and having a second end that is open,
wherein the first line is coupled to the first main line and the first sub-line.