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:
Dec. 20, 2022

Filed:

Sep. 17, 2021
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Xinmin Yu, San Diego, CA (US);

Bon-Hyun Ku, San Diego, CA (US);

Yunfei Feng, San Diego, CA (US);

Chuan Wang, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/40 (2015.01); H03F 3/24 (2006.01);
U.S. Cl.
CPC ...
H04B 1/40 (2013.01); H03F 3/245 (2013.01); H03F 2200/294 (2013.01); H03F 2200/451 (2013.01);
Abstract

An apparatus includes a transformer including a first inductor, a second inductor, and a third inductor. The apparatus also includes a power amplifier having an output coupled to the first inductor, a low-noise amplifier having an input coupled to a first terminal of the third inductor, and a fourth inductor having a first terminal and a second terminal, wherein the second terminal of the fourth inductor is coupled to a second terminal of the third inductor. The apparatus also includes a switch coupled between the first terminal of the third inductor and the first terminal of the fourth inductor.


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