Method and apparatus for a differential feedback in an...

Details Method and apparatus for a differential feedback in an... Method and apparatus for a differential feedback in an...

2006-09-26

2006-09-26

Harold, Jefferey F. (Department: 2614)

Telephonic communications

Subscriber line or transmission line interface

C379S390040, C379S402000, C379S398000

Reexamination Certificate

active

07113590

ABSTRACT:
A method and apparatus is provided for performing an active impedance differential current feedback. A signal is received. A current feedback of an output signal in an active feedback synthesis mode is performed based upon the signal. The active current feedback includes using an active feedback network for conditioning an output signal, converting the signal into a differential current signal, and summing at least two components of the differential current signal for performing a differential feedback.

REFERENCES:
patent: 4387273 (1983-06-01), Chea, Jr.
patent: 2004/0174990 (2004-09-01), Apfel

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