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. 05, 2024

Filed:

Feb. 08, 2022
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Saikat Sarkar, Irvine, CA (US);

Xiang Guan, Santa Clara, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/18 (2006.01); H04B 1/16 (2006.01);
U.S. Cl.
CPC ...
H04B 1/18 (2013.01); H04B 1/1607 (2013.01); H04B 1/1638 (2013.01);
Abstract

This disclosure is directed to power gain variation compensation of Radio Frequency (RF) receivers based on temperature variations. An RF receiver may include amplification circuitry having a chain of multiple amplifiers and/or passive elements. Multiple distributed and/or lumped attenuators disposed at different points between amplifiers and/or passive elements of the chain may attenuate a received RF signal to compensate for gain variations of the multiple amplifiers and/or passive elements caused by a temperature change. Accordingly, the distributed and/or lumped attenuators may improve linear response of the amplifiers and/or passive elements and signal-to-noise and distortion ratio of RF signals received at the receiver.


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