(B)Element 8-15 TR-ATR-Circulators-Directional Couplers -1 Flashcards
1
Q
The ferrite material in a circulator is used as a
A
phase shifter
2
Q
In a circulator resonant cavity with flat ends, the E field and the H field form with specific relationships. the:
A
E lines are perpendicular to the end walls
3
Q
A ferrite circulator is most commonly used in what portion of a RADAR system?
A
The duplexer
4
Q
A circulator provides what function in the RF section of a RADAR system?
A
it replaces TR cell and functions as a duplexer
5
Q
A directional coupler has an attenuation of -30 dB. A measurement of 100milliwatts at the coupler indicates the power of the line is:
A
100 watts
6
Q
What is the purpose or function of the RADAR duplexer/circulator?
A
An electronic switch that allows the use of one antenna for both transmissions and reception
7
Q
A
