THERMOELECTRIC TEMPERATURE CONTROL IN AN/URQ-9 FREQUENCY STANDARD.

Abstract

Frequency measurements made on five low temperature 5 mc crystals are plotted to show their frequency stabilization period and long term aging characteristics. Long term drift rates of precision oscillators coupled to the low temperature crystals were found to be within several parts in 10 to the minus 11 power per day. Performance of the five oscillators after periods of shutdown are reported. (Author)

Document Details

Document Type
Technical Report
Publication Date
Apr 15, 1964
Accession Number
AD0437196

Entities

People

  • A. L. Wennerberg

Organizations

  • Whirlpool Corporation

Tags

DTIC Thesaurus Topics

  • Frequency
  • Frequency Standards
  • Low Temperature
  • Measurement
  • Oscillators
  • Standards
  • Temperature Control

Fields of Study

  • Physics

Readers

  • Electronics Engineering
  • Thermal Physics or Thermal Science.