Radio receiver and method for am suppression and dc-offset...

Details Radio receiver and method for am suppression and dc-offset... Radio receiver and method for am suppression and dc-offset...

H - Electricity

04

L

H04L 25/10 (2006.01) H04B 1/10 (2006.01)

Patent

CA 2503055

A communications receiver includes a baseband signal recovery circuit (4) which uses a low-IF architecture for data reception. The baseband signal recovery circuit uses a full-analog implementation for channel selection and filtering (5). Thus, the overhead placed on the design of analog-to-digital converter is greatly relaxed and most of hardware can be re-used for multi- mode applications with only a slight modification.

L'invention concerne un récepteur de communication comprenant un circuit de récupération de signaux dans la bande de base qui utilise une architecture à faible fréquence intermédiaire pour la réception de données. Ledit circuit de récupération de signaux dans la bande de base utilise une mise en oeuvre complètement analogique de sélection et de filtrage de canal. Ainsi, le temps système placé sur la conception d'un convertisseur analogique-numérique est très relaxé et la plupart de l'équipement matériel peut être réutilisé pour des applications multi-mode en effectuant seulement une légère modification.

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