Fig. shows on ideal 4-port circulator. The connections of:

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Fig. shows on ideal 4-port circulator. The connections of:
(A) Microwave generator
(B) Synchronising master source for injection locking
(C) Antenna
(D) Receiver are

1. A B C D
  4 3 2 1
2. A B C D
  1 2 3 4
3. A B C D
  1 4 2 3
4. A B C D
  2 4 1 3

Correct Option: B

NA