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problem 1: Ordinary low frequency circuit analysis is not sufficient to describe the electrical phenomenon-taking place at microwave frequencies, describe why?

problem 2: Describe the problem of transit time effect in the tubes at microwave frequencies?

problem 3: Why are semiconductors favored over vacuum tubes in most of the applications?

problem 4: Derive an expression for the maximum possible theoretical effectiveness of a two cavity klystron.

problem 5: Describe the importance of Hull voltage in a magnetron.

problem 6: Describe the principle of working of travelling wave tube.

problem 7: Illustrate the expression for efficiency of two cavity Klystron amplifier.

problem 8: Describe with neat diagrams the given in a Magnetron:

a) Resonant Modes and their separation
b) Mechanism of Oscillation.

problem 9: What do you mean by the term current modulation?

problem 10: In what kind of applications reflex klystrons is favored and describe why?

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M97433

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