H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/00 (2006.01)
Patent
CA 2528339
A digital baseband (DBB) receiver for receiving and processing a wireless communication signal. The DBB receiver includes at least one low noise amplifier (LNA), at least one demodulator, a direct current (DC) discharge circuit and an LNA control circuit. The LNA selectively amplifies the communication signal. The demodulator outputs analog real and imaginary signal components on real and imaginary signal paths, respectively, in response to receiving the communication signal from the LNA. The DC discharge circuit selectively discharges DC accumulating on at least one of the real and imaginary signal paths. The LNA control circuit turns the LNA on or off.
La présente invention concerne récepteur bande de base numérique (DBB) permettant de recevoir et de traiter un signal de communication sans fil. Ce récepteur DBB comprend au moins un amplificateur à faible bruit (LNA), au moins un démodulateur, un circuit de décharge de courant continu (CC) et un circuit de commande LNA. Le LNA amplifie sélectivement le signal de communication. Le démodulateur produit en sortie des composants de signal analogique réel et imaginaire sur des trajets de signal réel et imaginaire, respectivement, en réponse à la réception du signal de communication du LNA. Le circuit de décharge CC décharge sélectivement le courant continu qui s'accumule sur au moins un des trajets de signal réel et imaginaire. Le circuit de commandes LNA allume ou coupe le LNA.
Demir Alpaslan
Kazakevich Leonid
Narayan Geetha Lakshmi
Ozluturk Fatih
Interdigital Technology Corporation
Ridout & Maybee Llp
LandOfFree
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