The simplest form of vacuum tube contains two electrodes--a
cathode and a plate.
This type tube is called a diode.
Edison discovered what may be called the earliest diode, his special
the early versions.
However, today's diodes are much improved--
higher vacuum, longer life and increased ruggedness.
Diodes are used mainly to change alternating current to a
In this lesson you will study the construction,
operation, characteristics and uses of the diode.
TM 11-662, chapter 3, paragraphs 15 thru 29.
Signal Subcourse SS0311
When you complete this lesson you should be able to:
Explain the construction of the diode tube.
Explain electrostatic fields.
Explain space charge.
Explain characteristic curves.