11. Electron bunching in a reflex klystron occurs in the-
12. The transmission loss for a 3 GHz, microwave system over a certain distance is 130 dB. If the frequency is now doubled, then the transmission loss will be
13. The modes in a reflex klystron
14. A BWO is based on the
15. Using a travelling wave structure in a MASER, we can
16. Micro-strips are similar to which of the following?
17. The ratio of transverse electric field to transverse magnetic field is called as
18. Which of these has highly doped p and n region?
19. To prevent oscillations in the TWT which one of the following is resorted to?
20. The transferred electron mechanism is found in:
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