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:
Feb. 09, 2016
Filed:
Jan. 28, 2015
Qualcomm Incorporated, San Diego, CA (US);
Yashar Rajavi, Mountain View, CA (US);
Alireza Khalili, Sunnyvale, CA (US);
Muhammad Adnan, San Jose, CA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
An analog front-end (AFE) for a communications device includes a low-power frequency synthesizer with reduced footprint. The AFE includes a first frequency synthesizer and a second frequency synthesizer. The first frequency synthesizer is coupled to a transmit (TX) chain and to a receive (RX) chain of the AFE. The first frequency synthesizer is to generate a first local oscillator (LO) signal for transmitting or receiving carrier signals when the device is in a normal operating mode. The second frequency synthesizer is coupled to the RX chain and shares one or more components of the TX chain. The second frequency synthesizer is to utilize the one or more shared components to generate a second LO signal for receiving carrier signals when the device operates in a low-power mode. For example, the one or more shared components may include a voltage source and/or one or more inductors.