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:
Nov. 24, 2020

Filed:

Dec. 15, 2017
Applicant:

Dialog Semiconductor B.v., s-Hertogenbosch, NL;

Inventors:

Mahbub Reja, Chandler, AZ (US);

Shobak Kythakyapuzha, Tempe, AZ (US);

Zhi Mou, Gilbert, AZ (US);

Mohammad Hanif, Chandler, AZ (US);

Assignee:

Dialog Semiconductor B.V., 's-Hertogenbosch, NL;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2015.01); H04B 1/40 (2015.01); H01F 27/29 (2006.01); H04B 1/525 (2015.01);
U.S. Cl.
CPC ...
H04B 1/40 (2013.01); H01F 27/29 (2013.01); H04B 1/525 (2013.01);
Abstract

A radio frequency input/output circuit with a composite inductor structure is presented. The composite inductor structure has a plurality of inductors that are interwound. The composite inductor structure is implemented on a chip. The plurality of inductors are magnetically coupled. The plurality of inductors are interwound around a core. A second inductor is coupled in series with a first inductor and the first inductor is coupled in series with the third inductor. The first inductor and the third inductor are coupled at a centre tap, such that the first inductor and the third inductor form a centre-tapped coil. The centre tap is coupled to an input terminal.


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