ECE :: Microwave Communication
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Roughly the time required for microwave cooking as compared to conventional cooking is
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If the minimum range of a radar is to be doubled, the peak power has to be increased by a factor of
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Which mode has the lowest cut off frequency in circular wave guides?
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Assertion (A): Klystron amplifiers use one or more intermediate cavities in addition to buncher and catcher cavity.
Reason (R): When one or more intermediate cavities are used the bandwidth can be increased.
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A reflex klystron oscillator is a
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Consider the following applications
- TV tuning
- Active filter
- Microwave frequency multiplication
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Consider the following statements
- Dissipative attenuator has a fixed value of attenuation.
- Reflective attenuator has a fixed value of attenuation.
- Both dissipative and reflective attenuators are available only with fixed attenuation.
- Both dissipative and reflective attenuators are available with either fixed or variable attenuation.
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Impedance inversion may be obtained with
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Power gain of a multicavity klystron amplifier is
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