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:
Apr. 19, 2022
Filed:
Jul. 13, 2018
Applicant:
Airoha Technology Corp., Hsinchu, TW;
Inventors:
Kuo-Yu Tseng, Taoyuan, TW;
Shih-Chieh Chien, Chiayi, TW;
Assignee:
AIROHA TECHNOLOGY CORP., Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/28 (2006.01); H03H 7/42 (2006.01); H03H 1/00 (2006.01); H01L 23/64 (2006.01); H01F 21/12 (2006.01);
U.S. Cl.
CPC ...
H01F 27/2804 (2013.01); H01F 21/12 (2013.01); H01L 23/645 (2013.01); H03H 1/00 (2013.01); H03H 7/42 (2013.01); H01F 2027/2809 (2013.01); H03H 2001/0085 (2013.01);
Abstract
An on-chip balun transformer including a primary winding and a secondary winding is provided. The primary winding includes at least one parallel coil and a plurality of first serial semi-turn coils connected to the at least one parallel coil. The secondary winding, magnetically coupled to the primary winding, includes a plurality of second serial semi-turn coils connected to each other. At least one of the second serial semi-turn coils is located within the at least one parallel coil. The primary winding and the secondary winding are coplanar.