ADSL modems that yield long reach and fast data rates
Tim Regan
Abstract
The LT1886, a high speed dual power amplifier with excel-lent high frequency distortion performance, is described.
Keywords
ADSL modem
LT1886 line driver
ADSL technology allows for communication to a remote internet server at data rates nearing 1Mbit/sec, nearly 20 times faster than conventional modems, over normal telephone wiring with a reach of up to 18,000 feet. A key component in making this happen is the power amplifier used to drive the encoded data signal on to the phone line. Ideally the line driver must not introduce any distortion of the transmitted signal. This allows the system to maximize the data rate over the longest wiring reach possible ...
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