Method for customizing operation of a line interface circuit in

Details Method for customizing operation of a line interface circuit in Method for customizing operation of a line interface circuit in

1996-06-27

1998-10-27

Hunter, Daniel S.

Telephonic communications

Subscriber line or transmission line interface

379324, 379394, 379398, 379400, 379413, H04M 1900

Patent

active

058287485

ABSTRACT:
A method for reducing frequency-related power losses in a telecommunication line interface circuit comprises operating a switching converter circuit at an optimum frequency. Determination of the optimum frequency is based upon a subscriber loop length. Particularly, the subscriber loop voltage is detected at a battery feed circuit of the line interface circuit, and used to access an optimum frequency stored in an initialized database. The optimum frequency information is received in the switching converter circuit, and determines its operating frequency.

REFERENCES:
patent: 4490580 (1984-12-01), Nagashima
patent: 4652701 (1987-03-01), Cubbison, Jr.
patent: 5526425 (1996-06-01), Meyer et al.

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