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. 24, 2004
Filed:
Jul. 02, 2001
Applicant:
Inventors:
Markus Doetsch, Schliern, CH;
Peter Jung, Otterberg, DE;
Jörg Plechinger, München, DE;
Peter Schmidt, Erpolzheim, DE;
Sönke Mehrgardt, Deisenhofen, DE;
Assignee:
Infineon Technologies AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 9/00 ; H04L 2/706 ; H04L 2/714 ; H04L 2/722 ;
U.S. Cl.
CPC ...
H03K 9/00 ; H04L 2/706 ; H04L 2/714 ; H04L 2/722 ;
Abstract
A circuit configuration for a multistandard communications terminal has, for the reception of radio signals, a radio frequency component with a receive conversion stage and a signal-processing circuit connected downstream of the radio frequency component. The signal-processing circuit has an A/D converter and a digital filter. The pass-band of the digital filter is variable. In operation, the pass-band is set according to a selected system standard of the received radio signals.