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.
Patent No.:
Date of Patent:
Oct. 28, 2025
Filed:
Feb. 19, 2024
Apple Inc., Cupertino, CA (US);
Ahmed Mohamed Abdelatty Ali, Campbell, CA (US);
Mansour Keramat, San Jose, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
Adaptive calibration of analog front-end and receiver non-idealities is disclosed. An analog front-end (AFE) circuit is configured to receive an analog input signal, and includes an analog signal path having one or more analog circuits. A test signal generator inputs an analog test signal into the analog signal path. The AFE circuit combines analog input signal and the test signal and generates, using one or more analog circuits in the analog signal path, an analog output signal based on the analog input signal combined with the analog test signal. A digital signal processing (DSP) circuit processes a digital input value that corresponds to the analog output signal, and performs calibrations of respective parameters of the one or more analog circuits. To perform the calibrations, the DSP circuit is configured to separate a digital representation of the analog test signal from a remainder of the digital value.