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:
Dec. 14, 2004
Filed:
Mar. 14, 2001
Zhiliang Julian Chen, Plano, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A digital radio receiver system uses a dual mode automatic gain control architecture and method to enhance signal-to-noise ratio and linearity to accommodate reception and processing of both L-band RF signals and band-III RF signals. The system architecture employs an analog AGC to control high/low gain switches associated with front end low noise amplifiers and down converters, as well as a digital AGC to control gain controlled amplifier and programmable gain amplifier gain settings. The AGC control can be implemented totally within the system architecture or optionally can be implemented via an external data processing device such as a DSP or micro-controller.