DC offset calibration system

Details DC offset calibration system DC offset calibration system

2005-10-11

2008-07-22

Nguyen, Simon D (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

C455S296000, C455S315000, C455S319000, C375S319000

Reexamination Certificate

active

07403751

ABSTRACT:
A division ratio of a first frequency divider that generates a local signal and a division ratio of a second frequency divider that generates a RF interfering signal are different, and a first frequency synthesizer that generates the local signal and a second frequency synthesizer that generates the RF interfering signal employ an identical reference signal. The second frequency synthesizer that generates the RF interfering signal is not provided with a frequency switching function.

REFERENCES:
patent: 6535725 (2003-03-01), Hatcher et al.
patent: 6642767 (2003-11-01), Wang
patent: 2005/0239428 (2005-10-01), Seendripu et al.
patent: 2006/0073803 (2006-04-01), Igarashi et al.

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