THE FEASIBILITY OF QUICK WARM-UP AND STABILIZATION OF HEATER-CATHODE TYPE RECEIVING TUBES

Abstract

INTEGRAL HEATER-CATHODE SYSTEMS WERE INCORPORATED IN PLANAR TRIODES FOR EVALUATION OF THE EMISSION AND CATHODE DESIGN. Thirty-five tubes were made and various faults were analyzed and where possible corrected. Etched nickel heaters were found to be unsuitable and tungsten heaters were used with good results. Current densities comparable with commercial tubes were obtained. Life test results were obtained, covering 500 hours at a stable current density of 50ma/sq cm with 200 volts on the plate and appropriate grid voltages. (Author)

Document Details

Document Type
Technical Report
Publication Date
Sep 30, 1960
Accession Number
AD0258219

Entities

People

  • Norman E. Linson

Organizations

  • RTX

Tags

DTIC Thesaurus Topics

  • Coverings
  • Current Density
  • Emission
  • Integrals
  • Life Tests
  • Performance (Engineering)
  • Test And Evaluation
  • Test Methods
  • Tungsten

Readers

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  • Software Engineering