Pulse or digital communications – Receivers – Automatic gain control
Reexamination Certificate
2007-01-02
2007-01-02
Tran, Khanh (Department: 2611)
Pulse or digital communications
Receivers
Automatic gain control
C455S234100, C455S245100
Reexamination Certificate
active
10184408
ABSTRACT:
A signal pre-processing device particularly in wireless LAN devices is provided that comprises an AGC (Automatic Gain Control) unit, an ADC (Analog-to-Digital Converting) unit and a normalization unit. The AGC unit amplifies a received analog input signal and outputs an amplified analog signal. Further, it automatically controls an amplification gain when amplifying the analog input signal. The ADC unit receives the amplified analog signal, converts it into a digital signal and outputs the digital signal. The normalization unit is receives the digital signal, applies a normalization function to the digital signal and outputs the normalized digital signal. Thus, less precise AGC units can be used, thereby reducing production costs as well as the size and complexity of the AGC unit. Further, shorter circuit development times are obtainable.
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Translation of Official Communication dated Jun. 16, 2005.
Borowski Jörg
Kluge Wolfram
Poegel Frank
Advanced Micro Devices , Inc.
Kivlin B. Noäl
Meyertons Hood Kivlin Kowert & Goetzel P.C.
Tran Khanh
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