A Gain Step Companding (COMpressing ExPANDING) Analog-to-Digital Converter

Abstract

A novel scheme for analog-to-digital conversion is described. This scheme provides a dynamic range in excess of 120 dB yet requires an output of only 9 bits. These 9 bits are utilized to transmit a companded digital word format including sign information. Use of this companded output format results in significant transmit bandwidth reduction compared with transmit bandwidths required for conventional linear bit formats. This companding results in a worst case error of 3.125%. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 30, 1981
Accession Number
ADA099381

Entities

People

  • Gerald L. Assard

Organizations

  • Naval Underwater Systems Center

Tags

Communities of Interest

  • Sensors
  • Weapons Technologies

DTIC Thesaurus Topics

  • Acoustic Arrays
  • Acoustic Detectors
  • Amplifiers
  • Arrays
  • Bandwidth
  • Bits
  • Conversion
  • Converters
  • Detectors
  • Dynamic Range
  • Errors
  • Filters
  • Low Pass Filters
  • Measurement
  • Relative Motion
  • Sonar
  • Telemetry

Fields of Study

  • Physics

Readers

  • Approximation Theory.
  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.