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:
Aug. 05, 2025

Filed:

Dec. 20, 2022
Applicant:

Qualcomm Incorporated, San Diego, CA (US);

Inventors:

Ashok Swaminathan, Cardiff, CA (US);

Nitz Saputra, Burlingame, CA (US);

Negar Rashidi, Mission Viejo, CA (US);

Shahin Mehdizad Taleie, San Diego, CA (US);

Chinmaya Mishra, San Diego, CA (US);

Dongwon Seo, San Diego, CA (US);

Jong Hyeon Park, San Jose, CA (US);

Sang-June Park, San Diego, CA (US);

Assignee:

QUALCOMM Incorporated, San Diego, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/66 (2006.01); H03M 1/82 (2006.01);
U.S. Cl.
CPC ...
H03M 1/665 (2013.01); H03M 1/82 (2013.01);
Abstract

Methods and apparatus for sharing digital-to-analog (DAC) converters in a reconfigurable DAC circuit to support two or more transmit chains of a wireless transmitter configured for different radio access technologies (RATs) and/or different transmitter architectures. One example DAC circuit generally includes at least four DACs and a plurality of switches coupled to outputs of the at least four DACs such that the DAC circuit is configured as a multi-channel DAC circuit with at least four channels for a first set of one or more frequency bands and as an interleaved DAC circuit with at least two channels for a second set of one or more frequency bands different from the first set of frequency bands.


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