
CHAPTER 1 1
Microwave Tubes
OBJECTIVES
1. Learn the theory of operation of M-type vacuum tube devices.
2. Learn the theory of operation of O-type vacuum tube devices.
3. Understand the methods that use inherent device physics limitations to good
advantage.
4. Learn the range of applications, strengths, and limitations of common mi-
crowave vacuum tube generators.
11-1
PREQUIZ
These questions test your prior knowledge of the material in this chapter. Try an-
swering them before you read the chapter. Look for the answers (especially those
you answered incorrectly) as you read the text. After you have finished studying the
chapter, ...