SPECTRAL DIGITAL FREQUENCY SYNTHESIZER,

Abstract

A new type of digital frequency synthesizer for communications transceivers in the VHF range from 30...76 MHz, providing 920 channels with 50 kHz spacing was designed, breadboarded, tested, and packaged. Wide use of integrated circuits was made. With this new principle, very low power consumption is achieved, typically 40 mW for the synthesizer (excluding the variable frequency oscillator and buffer amplifier). Dimensions (excluding frequency control knobs):1 in. X 1 1/4in. X 1 1/2 in. The circuit makes wide use of complementary FET-integrated circuits. The technology used for packaging is Thick Film. (Author)

Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1970
Accession Number
AD0707425

Entities

People

  • Arthur R. Sills
  • Dieter R. Lohrmann

Organizations

  • United States Army Communications-Electronics Command

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Amplifiers
  • Circuits
  • Control Knobs
  • Energy Consumption
  • Films
  • Frequency
  • Frequency Synthesizers
  • Integrated Circuits
  • Oscillators
  • Packaging
  • Thick Films
  • Transceivers

Fields of Study

  • Engineering

Readers

  • Computer Science/Computer Engineering/Data Science/Digital Signal Processing.
  • Electronics Engineering

Technology Areas

  • Space