A high-voltage line driver (HVLDR) for combined voice and data services
2001
Present-day ADSL solutions require a standard voice POTS interface (SLIC and SLAC) and a separate data (DSLAM) interface (transformers,
line driver/receiver, AFE and data pump) combined with a bulky splitter that keeps the signals separated. This solution is expensive, consumes a large physical space, and is high in power dissipation. Integrating the voice and data signals in one high voltage front-end device allows for a more cost effective, smaller and lower power solution that has significant additional benefits because all aspects of the system are under a single control structure. Earlier attempts at integration of voice and data supported only ADSL-Lite, while this solution supports ADSL-Lite and
full-rateADSL. The key device in this integrated solution is the high-voltage
line driver(HVLDR).
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