Agilent Technologies Agilent 8648A Weather Radio User Manual


 
Using the Tracking Generator
211
Measurement Procedure:
1 Connect the bridge or coupler as shown.
CAUTION: Do not exceed the connector’s rated input or permanent instrument damage
may result.
On the Test Set:
2 Press the PRESET key.
Using the knob and data entry keys:
3 Select the SPEC ANL screen.
4 From the Controls select Ant.
5 Set Center Freq to the center frequency of the antenna under test.
6 Set Span to view desired frequency range.
7 Set Ref Level to 0 dB (or greater).
8 From Controls, select Main, then select RF Gen from the Choices field.
9 From Controls select Track.
10 Set Amplitude to 0 dBm.
NOTE: Amplitude default of 0 dBm is typically sufficient for performing
measurements. The level can be changed as required to suit measurement
needs (e.g. increase measurement range, minimize incident input from other
sources, etc.). If Amplitude is changed, Ref Level will also have to be
changed.
On the Directional Coupler:
11 Verify that the LOAD port is open (or shorted).
Test Set Options Required
Spectrum Analyzer/Tracking Generator (option 102)
Additional Equipment
Required
Return Loss Bridge or Directional Coupler and an Antenna