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Экологический статус

Design Notes

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  A Complete Compact APD Bias Solution for a 10Gbits/s GPON System &mdash DN447
  PDF, 110 Кб, Файл опубликован: 14 июл 2008
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  A Complete Compact APD Bias Solution for a 10Gbits/s
  GPON System – Design Note 447
  Xin Qi
  Introduction
  Avalanche photo diode (APD) receiver modules are
  widely used in п¬Ѓber optic communication systems. An
  APD module contains the APD and a signal conditioning
  amplifier, but is not completely self contained. It still
  requires significant support circuitry including a high
  voltage, low noise power supply and a precision current
  monitor to indicate the signal strength. The challenge is
  squeezing this support circuitry into applications with
  limited board space. The LTВ®3482 addresses this challenge
  by integrating a monolithic DC/DC step-up converter and
  an accurate current monitor. The LT3482 can support
  up to a 90V APD bias voltage, and the current monitor
  provides better than 10% accuracy over four decades of
  dynamic range (250nA to 2.5mA).
  Recent communication design efforts increasingly focus
  on the 10Gbits/s GPON system, which demands that the
  transient response of the APD current monitor is less
  than 100ns for an input current step of two decades of
  magnitude. A simple compact circuit using the LT3482 is …

Модельный ряд

Классификация производителя

• Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost

Варианты написания:

LT3482IUDTRPBF, LT3482IUD TRPBF