The Variable Speed HF Modem Modulator Design

Abstract

The battery-operated, Variable Speed High Frequency (HF) Modem transmits data at 2400 bits per second (bps) over HF radio links. Variable data rates of 2400 and 1200 bps are supported. This compact, lightweight unit is a processor-based implementation based on the TMS32OC25 digital signal processor. The modem waveform is compatible with the AN/USQ-83(V) and ANDVT TACTERM equipment. This report presents a functional overview of the hardware and software design of the Variable Speed HF Modem modulator. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Mar 20, 1989
Accession Number
ADA244891

Entities

People

  • D. L. Tate

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Central Processing Units
  • Circuit Boards
  • Coding
  • Communication Systems
  • Conversion
  • Converters
  • Data Rate
  • Data Transmission
  • Decoding
  • Digital Data
  • Modulation
  • Power Supplies
  • Radio Communications
  • Radio Equipment
  • Semiconductors
  • Signal Processing
  • Systems Engineering

Readers

  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Radio communications and signal processing.