Electronics and Communication Engineering - Microwave Communication

1.
In 8 cavity magnetron the p mode corresponds to a total phase shift equal to
± 8 p radians around the periphery
± 4 p radians around the periphery
± 2 p radians around the periphery
± 16 p radians around the periphery
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
Satellite communication systems use the frequency band
10 to 20 MHz
50 to 70 MHz
3 to 6 GHz
100 to 120 GHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
The characteristic impedance of a cable is about
300 Ω
50 Ω
5 Ω
2 Ω
Answer: Option
Explanation:
No answer description is available. Let's discuss.

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)
Q = ω0UWL
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
A TR (transmitter receiver) tube has
low loss for low power signals and high
high loss for low power signals and low loss for high level signal
low loss for both low level and high level signals
high loss for both low level and high level signals
Answer: Option
Explanation:
No answer description is available. Let's discuss.