scope:

This specification covers the general requirements and ratings for electron tubes used by the military departments.

This specification is applicable to electron tubes classified in, but not limited to, the categories listed below. The main category into which each tube is classified is indicated in the title of the tube specification sheet (TSS). The subcategory is included as the initial item under the description heading: For example, ELECTRON TUBE, KLYSTRON - - - DESCRIPTION: Reflex oscillator.

1. Beam Switching 10. Graphic Indicator a. Numerical Indicator 2. Cathode Ray a. Electrostatic or Magnetic Focus 11. Gyrotron b. Electrostatic or Magnetic Deflection c. Multigun (specify number of guns) 12. Ignitron 3. Cathode-Ray Charge Storage 13. Image Converter a. Visual Output (direct view) b. Electrical Output 14. Image Orthicon 4. Cold Cathode 15. Klystron a. Triode a. Reflex Oscillator b. Rectifier b. Amplifier c. Pulse 5. Corona Voltage Regulators d. Continuous Wave (CW) 6. Cross Field Amplifier 16. Magnetron a. Pulse 7. Electron Multiplier b. Coaxial c. Continuous Wave (CW) d. Voltage Tunable 8. Electron Ray Indicator 17. M-Type Backward Wave 9. Gas-Switching a. ATR (antitransmit-receive) 18. Negative Grid (microwave) b. Dual-TR (transmit-receive) c. Pre-TR d. TR

Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Defense Electronics Supply Center, ATTN: DESC-ELD, 1507 Wilmington Pike, Dayton, OH 45444-5765, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.

19. Noise Source 24. Radiation Counter a. Vacuum Diode a. Geiger Mueller b. Gas Discharge 25. Receiving 20. O-Type Backward Wave a. Diode b. Triode 21. Phototube c. Tetrode a. Gas d. Pentode b. Infrared e. Rectifier c. Multiplier f. Power 22. Power or Transmitting 26. Stabitotron a. Diode b. Triode 27. Thyratron c. Tetrode d. Pentode 28. Traveling Wave (or forward wave) e. Rectifier 29. Vidicon 23. Pulse Modulator a. Hydrogen 30. Voltage Regulator b. Vacuum a. Glow Discharge

intended Use: