standing wave ratio and antenna measurements Flashcards
1
Q
standing wave ratio
A
measure of how well a load is matched to a transmission line
2
Q
what does a low swr mean
A
allow efficient transfer of power to reduce losses
3
Q
how to connect swr meter
A
in series with feed line between transmitter and antenna
4
Q
directional wattmeter
A
instrument used to determine if feedline and antenna are properly matched
5
Q
4:1 swr reading
A
impedance mismatch
6
Q
antenna tuner
A
matches antennna system impedance to the transceivers output impedance
7
Q
dummy lod
A
non inductive resistor and a heat sink, prevents radiation nof signals when making tests
8
Q
antenna analyzer
A
determines if antenna is resonant at the desired operating requency
