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  Simple Logic Provides Sensible Power Control of LT1794-Based ADSL Line Drivers &mdash LT Journal
  PDF, 155 Kb, Datei veröffentlicht: May 1, 2001
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  DESIGN IDEAS Simple Logic Provides Sensible
  Power Control of LT1794-Based
  ADSL Line Drivers
  Introduction by Tim Regan The LT1794 Line Driver As the popularity of DSL for high
  speed Internet access grows, so too
  does the need for more central office
  DSL lines to handle the demand.
  Without the luxury of unlimited space,
  central office cabinets are filled with
  racks of circuit cards with each card
  containing as many as 128 separate
  DSL ports. At full transmission
  power, each typical port consumes
  approximately 1.3 watts and dissipate on the order of 1 watt of power.
  Should it ever occur that every port in
  a single cabinet is called into action at
  the same time, the demand on the
  power supplies and heat management system would be immense.
  Fortunately, this is a very rare
  situation.
  The randomness of connections
  through the central office provides the opportunity for optimizing the
  overall power consumption of the …

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• Signal Conditioning > Amplifiers > Operational Amplifiers (Op Amps) > High Speed Amplifiers (GBW > 50MHz) | High Output Current Amplifiers (>100mA) | High Voltage Amplifiers (>12V) | Low Noise Amplifiers (

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LT1794ISWPBF, LT1794ISW PBF