8-15B: TR/ATR/Circulators/Directional Couplers 1

Question 1

8-15B4

A circulator provides what function in the RF section of a RADAR system?

A. It replaces the TR cell and functions as a duplexer.
B. It cools the magnetron by forcing a flow of circulaiing air
C. It permits tests to be made to the thyristors while in use.
D. It transmits antenna position to the indicator during operation.

Answer 1

ANSWER A
A circulator eliminates the need for the older TR cell, and the circulator will then perform as a duplexer.