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LOOP DRIVER FOR POTS, XDSL, OR INTEGRATED POTS/XDSL INTERFACE
LOOP DRIVER FOR POTS, XDSL, OR INTEGRATED POTS/XDSL INTERFACE
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机译:POTS,DSL或集成POTS / XDSL接口的循环驱动程序
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摘要
A driver circuit (180) comprising a transformer having a primary winding (106, 108) for coupling to a subscriber loop and a secondary winding (104) 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 driver circuit. In a preferred embodiment, the interface circuit is integrated line card for supporting both POTS and ADSL.
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