Microwave Linear Beam Tubes – Exercise – 1

1. The operating frequency of klystrons and magnetrons is set by the :

(a) cavity resonators
(b) DC supply voltage
(c) input signal frequency
(d) number of cavities

Answer
Answer : (a)
Explanation
No answer description available for this question. Let us discuss.

2. Decreasing the volume of a cavity causes its resonant frequency to :

(a) increase
(b) decrease
(c) remain the same
(d) drop to zero

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.

3. Which of the following is not a microwave tube ?

(a) traveling-wave tube
(b) cathode-ray tube
(c) klystron
(d) magnetron

Answer
Answer : (b)
Explanation
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4. In a klystron amplifier, velocity modulation of the electron beam is produced by the :

(a) collector
(b) catcher cavity
(c) buncher cavity
(d) cathode

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.

5. A reflex klystron is used as a(n) :

(a) amplifier
(b) oscillator
(c) mixer
(d) frequency multiplier

Answer
Answer : (b)
Explanation
No answer description available for this question. Let us discuss.
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