DC offset correction for direct-conversion receiver

Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination

Reexamination Certificate

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Details

C455S324000

Reexamination Certificate

active

07403760

ABSTRACT:
A DC offset correction system for a direct-conversion receiver is disclosed that may include a DC feedback correction servo-loop in signal communication with a baseband section, where the DC feedback correction servo-loop is coupled to both the input and output of the baseband section and an attenuator within the DC feedback correction servo-loop.

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patent: 2002/0042256 (2002-04-01), Baldwin et al.
patent: 2003/0128776 (2003-07-01), Rawlins et al.
patent: 2005/0110550 (2005-05-01), Shi et al.

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