Outline for Vacuum Tubes

08/03/2001

Common Types

1. Rectifiers
   1. Signal
   2. Power
2. Amplifiers
   1. Signal
   2. Power
   3. High Frequency

Special Types

1. "Eye" Indicator
2. Cathode Ray Tube (CRT)
   1. Electrostatic Deflection
   2. Electromagnetic Deflection
3. Traveling Wave Tube (TWT)
4. Klystron
5. Magnetron
6. Photomultiplier
7. Nixie
8. Flourescent
9. Image Convertor
10. Lighthouse
11. Inductive Output Tube ("IOT", for UHF amplifiers > 10 KW)
12. Acorn
13. Peanut

Classes by Elements

1. Diode
2. Triode
3. Tetrode
4. Pentode
5. Heptode
6. Beam Pentode

Classes by Usage

1. Sharp Cut-Off
2. Remote Cut-Off
3. Multi-Section
4. Gas Filled
   1. Rectifier
   2. Regulator
   3. Thyratron
   4. Photocell
5. Mercury
   1. Rectifier
   2. Thyratron

Elements

1. Filament (Heater)
2. Cathode
   1. Directly Heated Cathode
   2. Indirectly Heated Cathode
   3. Cold Cathode
3. Grids
   1. Control Grid
   2. Screen Grid
   3. Accelerator (not always a Grid)
   4. Suppressor Grid
4. Anode (Plate)
5. Beam Deflecting Plate
6. Getter

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