Low phase shift implementation of the baseband circuitry of...

Details Low phase shift implementation of the baseband circuitry of... Low phase shift implementation of the baseband circuitry of...

2006-11-07

2006-11-07

Nguyen, Patricia (Department: 2817)

Amplifiers

Signal feedback

Phase shift means in loop path

C330S085000, C330S12400D

Reexamination Certificate

active

07132885

ABSTRACT:
A circuit is provided that includes a Cartesian feedback loop. The Cartesian feedback loop includes one or more operational amplifiers. At least one of the operational amplifiers includes two or more cascaded amplifier stages and one or more bypass amplifier stages. The bypass amplifier stages are connected in parallel with the cascaded amplifier stages.

REFERENCES:
patent: 5507017 (1996-04-01), Whitmarsh et al.
patent: 5880633 (1999-03-01), Leizerovich et al.
patent: 6233438 (2001-05-01), Wynn
patent: 6381286 (2002-04-01), Wilkinson et al.
patent: 6859097 (2005-02-01), Chandler
patent: 6977968 (2005-12-01), Lipp

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