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Notas de Diseño

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  Low Distortion, Low Noise Differential Amplifier Drives High Speed ADCs in Demanding Communications Transceivers &mdash DN366
  PDF, 88 Kb, Archivo publicado: mayo 4, 2005
  Extracto del documento

  Low Distortion, Low Noise Differential Amplifier Drives High
  Speed ADCs in Demanding Communications Transceivers
  Design Note 366
  Cheng-Wei Pei
  Introduction
  Today’s communications transceivers operate at much
  higher frequencies and wider bandwidths than those of
  the past. Combining this with higher resolution requirements, transceiver design can become daunting. For
  engineers designing these systems, small noise and
  distortion budgets leave little flexibility when choosing
  system components.
  The LTВ®1993-x is designed to meet the demanding
  requirements of communications transceiver applications. It can be used as a differential ADC driver or as
  a general-purpose differential gain block. For singleended systems, the LT1993-x can replace a transformer
  in performing single-ended to differential conversion
  without sacrificing noise or distortion performance.
  RF
  –INA RG – 14
  –INB VEE
  12pF
  +OUT
  5 A RG + 13 +OUTFILTERED
  6 25О© RF VOCM + …

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Clasificación del fabricante

• Data Conversion > Analog-to-Digital Converters (ADC) > High Speed ADCs (Fs >=10Msps)

Otros nombres:

LTC2249CUHPBF, LTC2249CUH PBF