Technical Tip
A-9
5) Remove the black box to facilitate testing of the cable and
antenna system.
CAUTION: DO NOT TOUCH THE CONNECTOR PINS, OR
OTHER CONDUCTORS. IF YOU TOUCH THESE
CONDUCTORS, ELECTROSTATIC DISCHARGE CAN CAUSE
DAMAGE TO THE COMPONENTS.
(c) Connect the FlightHawk-AV to the device for the test.
1) Connect the test cable or phase stable cable (including the
bench plug adapter) to the FDR’s N-type connector.
2) Connect to the RF System’s applicable coax rack connector,
where the black box was installed.
3) Wait 10 Seconds for the sweep to complete the update.
(d) Interpreting the Measurement.
1) The graph contains the elements below:
a) The Vertical grid scale (y axis) shows SWR or RL data
values.
b) The Horizontal grid scale (x axis) shows the frequency
or distance data values.
c) Marker values. For example: If markers are set at
system operating frequencies.
d) The Trace number (Tr1) and color are used to identify
the trace.
2) Make sure that the entire SWR or RL measurement falls
under the Max SWR or RL values in Table 1. See the “SET LIMIT
LINE” in step 4 above. Press SCALE Icon and then AUTO SCALE to
view waveform.
