Electronics and Communication Engineering - Microwave Communication
Exercise :: Microwave Communication - Section 5
| 1. |
In 8 cavity magnetron the p mode corresponds to a total phase shift equal to |
| A. |
± 8 p radians around the periphery | | B. |
± 4 p radians around the periphery | | C. |
± 2 p radians around the periphery | | D. |
± 16 p radians around the periphery |
Answer: Option A
Explanation:
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| 2. |
Satellite communication systems use the frequency band |
| A. |
10 to 20 MHz | | B. |
50 to 70 MHz | | C. |
3 to 6 GHz | | D. |
100 to 120 GHz |
Answer: Option C
Explanation:
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| 3. |
The characteristic impedance of a cable is about |
Answer: Option B
Explanation:
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| 4. |
The Q factor of a waveguide resonator is given by (ω0 is resonant frequency, U is energy storage and WL is the power loss) |
Answer: Option A
Explanation:
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| 5. |
A TR (transmitter receiver) tube has |
| A. |
low loss for low power signals and high | | B. |
high loss for low power signals and low loss for high level signal | | C. |
low loss for both low level and high level signals | | D. |
high loss for both low level and high level signals |
Answer: Option A
Explanation:
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