ECE :: Microwave Communication
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In a rectangular waveguide
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Which of the following modes cannot exist in rectangular resonant cavity?
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In a Gunn diode oscillator drift velocity of electron is 107 cm/s and active region length is 10 x 10-4 cm. The natural frequency of oscillation is
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Assertion (A): An artificial transmission line can be used as a pulse generator.
Reason (R): A pulse function is used very frequently in network analysis.
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Consider the following statements about directional coupler shown in the figure
- Ports 1 and 2 are decouple
- Ports 3 and 4 are decoupled
- Pots 1 and 3 are decoupled
- Ports 1 and 4 are decoupled
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In a multicavity klystron amplifier the electron velocity of the order of
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At a frequency equal to cutoff frequency in a rectangular wave guide
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Two identical hybrid tees are joined as shown in the given figure. If 16 mW power is fed into port 1, the power output at ports 2 , 3, 1', 2', 3' respectively is
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In a microwave resistor the wall thickness is made as small as possible to
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