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:
Mar. 14, 2023

Filed:

Jul. 26, 2021
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventor:

Rohit Chatterjee, Bangalore, IN;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/04 (2006.01); H03F 3/24 (2006.01); H03F 3/72 (2006.01); H01L 23/66 (2006.01);
U.S. Cl.
CPC ...
H04B 1/0458 (2013.01); H01L 23/66 (2013.01); H03F 3/245 (2013.01); H03F 3/72 (2013.01); H01L 2223/6611 (2013.01); H01L 2223/6655 (2013.01); H03F 2200/537 (2013.01);
Abstract

In many examples, a device comprises a transmitter. The transmitter comprises a power amplifier, a first transformer coil coupled to the power amplifier, and a second transformer coil adapted to be electromagnetically coupled to the first transformer coil. The transmitter also comprises a first bond wire coupled to a first end of the second transformer coil and adapted to be coupled to a first end of an antenna, a capacitor coupled to a second end of the second transformer coil, a switch coupled to the capacitor and configured to engage and disengage the capacitor from the transmitter, and a second bond wire coupled to the switch and adapted to be coupled to a second end of the antenna.


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