vacuum tube types

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Related to vacuum tube types: Thermionic valves

vacuum tube types

Following are the different types of vacuum tubes and the elements used to control the flow of current. See vacuum tube.

            ----- VACUUM TUBES ------                 Triode       PentodeElements    Diode      Tetrode

 Cathode       X    X      X      X

 Plate         X    X      X      X

 Control grid       X      X      X

 Screen grid               X      X

 Suppressor grid                  X
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