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. 24, 2002
Filed:
May. 26, 2000
William J. Martin, Ft. Lauderdale, FL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
An integrated sigma-delta radio frequency (RF) receiver subsystem ( ) and method utilizes a multi-mode sigma-delta analog-to-digital converter ( ) for providing a single and multi-bit output. A programmable decimation network ( ) for reducing the frequency of the in-phase and quadrature bit stream and a programmable formatting network ( ) are also used for organizing the in-phase and quadrature components from the decimation network ( ) for subsequent signal processing. The invention offers a highly integrated digital/analog RF receiver back-end which incorporates integrated filtering and a smart gain control that is compatible for use with other receiver systems and offering superior performance characteristics. Dynamic programmable interference mitigation is provided which facilitates power reduction and use in multi-tier products.