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:
Sep. 03, 2013
Filed:
Jun. 22, 2012
Sergey Timofeev, Santa Clara, CA (US);
Atul Salhotra, Sunnyvale, CA (US);
Kedar Shirali, San Jose, CA (US);
Srinivasa H. Garlapati, San Ramon, CA (US);
Sergey Timofeev, Santa Clara, CA (US);
Atul Salhotra, Sunnyvale, CA (US);
Kedar Shirali, San Jose, CA (US);
Srinivasa H. Garlapati, San Ramon, CA (US);
Marvell International Ltd., Hamilton, BM;
Abstract
An apparatus has demodulation circuitry to demodulate a radio frequency signal and produce a baseband signal, wherein the radio frequency signal comprises a periodic signal having a predetermined period. An analog-to-digital converter converts the baseband signal into a digital signal that comprises a periodic signal having the predetermined period. A first DC offset adjustment circuit estimates a DC offset contained in the digital signal based on digital samples in a sample period having a length equal to the predetermined period. A second DC offset adjustment circuit estimates the DC offset contained in the digital signal. A selection circuit selects one of the first DC offset adjustment circuit or the second DC offset adjustment circuit to be used to estimate the DC offset contained in the digital signal.