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(a) Describe the principle of operation of                (i) Klystron amplifier                (ii) Travelling wave tube (TWT) amplifier.(b) A...

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Question

Electrical Engineering

(a) Describe the principle of operation of

               (i) Klystron amplifier

               (ii) Travelling wave tube (TWT) amplifier.

(b) A parabolic reflector is used to receive a satellite signalof 4 GHz. If the beamwidth of the device is

      2.50

(i) find the diameter of the parabolic reflector.

             (ii) calculate the gain of the device assuming that the efficiencyfactor is 50%

Answer & Explanation Solved by verified expert
4.1 Ratings (520 Votes)
a iThis klystron amplifier operation is based on the velocitymodulation concept onlyiiA TWT travelling wave tube as    See Answer
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