Wideband Digital UHF Same Frequency Repeater.

Abstract

A feasibility model of a single-channel, single-frequency repeater was designed, built and laboratory tested. This unit provides a digital or voice relay channel operating in the 225 - 400 MHz band. The equipment receives and retransmits within a single 50 KHz channel minimizing channel usage and maximizing operational utility. A sampling technique with alternating periods of reception and retransmission is used to achieve the required input/output isolation. The equipment operates satisfactorily with both conventional amplitude-modulated voice signals and amplitude-modulated, diphase-encoded, digital sequences derived from a pseudo-random sequence generator.

Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1973
Accession Number
AD0908729

Entities

People

  • Ronald Salamy
  • Thomas Gluszczak
  • William Kole

Organizations

  • RTX

Tags

DTIC Thesaurus Topics

  • Amplitude
  • Frequency
  • Generators
  • Laboratory Equipment
  • Mathematics
  • Pseudo Random Sequences
  • Repeaters
  • Retransmission
  • Sampling
  • Sequences
  • Sequences (Mathematics)

Readers

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