H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 7/04 (2006.01) H03F 1/56 (2006.01) H04L 27/00 (2006.01) H04M 11/06 (2006.01) H04L 27/26 (2006.01)
Patent
CA 2274171
A driver circuit comprising a transformer having a primary winding for coupling to a subscriber loop and a secondary winding for coupling to an interface circuit, a feedback circuit for coupling said primary winding to said secondary winding to provide a predetermined impedance match between said interface circuit and said loop over a predetermined frequency band of said circuit. In a preferred embodiment, the interface circuit is an integrated line card for supporting both POTS and ADSL.
Catena Technologies Canada Inc.
Inc. Catena Networks Canada
Kirby Eades Gale Baker
LandOfFree
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