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:
Jul. 23, 2024

Filed:

Jul. 07, 2022
Applicant:

Apple Inc., Cupertino, CA (US);

Inventor:

Saihua Lin, Santa Clara, CA (US);

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/44 (2006.01); H04B 1/00 (2006.01); H04B 1/48 (2006.01); H04B 1/525 (2015.01);
U.S. Cl.
CPC ...
H04B 1/48 (2013.01); H04B 1/006 (2013.01); H04B 1/0064 (2013.01); H04B 2001/485 (2013.01);
Abstract

Embodiments disclosed herein relate to reducing insertion loss in a transceiver while improving an operating efficiency of the transceiver. To do so, the transceiver may include isolation circuitry with harmonic distortion rejection circuitry, an electrostatic discharge filter, an out-of-band noise filter, and/or a matching network. In particular, the harmonic distortion rejection circuitry may enable a second harmonic signal to pass from a power amplifier of a transmitter of the transceiver to ground. The electrostatic discharge filter may also provide a path to ground for electrostatic discharge, and the out-of-band noise filter may provide a path to ground for noise signals. The isolation circuitry may substantially remove or decrease interference caused by undesirable signals while reducing a power consumption and thus improving an operating efficiency of the transceiver.


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