Differential amplifiers and methods of using same

Details Differential amplifiers and methods of using same Differential amplifiers and methods of using same

2007-03-20

2007-03-20

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S253000

Reexamination Certificate

active

10811922

ABSTRACT:
A differential amplifier and method of using same are disclosed. In one particular exemplary embodiment, the present invention may be realized as a circuit comprising a differential amplifier for receiving a differential input signal and generating a differential output signal, a comparator for generating an adjustment signal based at least in part upon the differential output signal, and a current controller for controlling current steering and at least one offset current in the differential amplifier based at least in part upon the adjustment signal and a current steering variable signal.

REFERENCES:
patent: 5838199 (1998-11-01), Nakamura
patent: 6759904 (2004-07-01), Behzad
patent: 6795843 (2004-09-01), Groe
Aaron Martin et al., 8Gb/s Differential simultaneous bidirectional link with 4Mv 9ps waveform capture diagnostic capability, ISSCC 2003, Session 4, Clock Recovery and Backplane Transceivers, Paper 4.5, 10 pages.
U.S. Appl. No. 10/673,677, filed Sep. 30, 2003 entitled “Technical For Receiving Differential Multi-PAM Signals”.

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