(E)Element 8-43 Waveguides-2 Flashcards
1
Q
A rotary joint is used to:
A
Connect a stationary waveguide to the antenna array.
2
Q
Resistive losses in a waveguide are very small because:
A
The inner surface of the waveguide is large.
3
Q
A right-angle bend in an X-band waveguide must have a radius greater than
A
Two inches.
4
Q
To insert RF energy into or extract RF energy from a waveguide, which of the following would not be used?
A
Coupling capacitance.
5
Q
The following is true concerning waveguides
A
The magnetic field is strongest at the edges of the waveguide.
6
Q
At microwave frequencies, waveguides are used instead of conventional coaxial transmission lines because:
A
They have considerably less loss