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Electronics and Communication Engineering - Microwave Communication

Exercise : Microwave Communication - Section 8
26.
Consider the following statements about hybrid ring
  1. Ports 1 and 2 are decoupled.
  2. Port 3 and 4 are coupled.
  3. A signal entering either port 1 or 2 splits equally between ports 3 and 4.
  4. A signal entering either port 3 or 4 splits equally between ports 1 and 2.
Which of the above are correct?
1, 2, 3 and 4
1, 3 and 4
1 and 2
2, 3 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
TM01 mode in circular waveguide is analogous to
TM10 mode in square waveguide
TM11 mode in square waveguide
TM20 mode in square waveguide
TM02 mode in square waveguide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
In microwave system, waveguide twists
change the plane of polarization of a propagating wave
change the direction of a propagating wave
change the mode of a propagating wave
both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Guide wavelength (λg), cutoff wavelength (λc) and free space wavelength (λ0) of a waveguide are related as
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
A 'rat race' is a
hybrid junction for microwaves
a microwave oscillator
a microwave amplifier
a microwave antenna
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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