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Performing Tests
Spectrum Analyzer
Chapter 4
O:\Manuals\E6385A_Amps\Book\perftst.fm
74
Spectrum Analyzer
This function configures the Test Set to display spectrum sweeps. It is useful in verifying
the presence of a signal or searching for interference sources.
This function may be performed in-service or out-of-service. See “Which Base Station
Port to Use – TX Test or TX Antenna?” on page 35.
Parameters and Specifications Used
The following parameters and specifications are used when running this test. See
Chapter 5, “Reference,” on page 95 for descriptions of the parameters and specifications.
Parameters:
• 21. TX Antenna Port Cable Loss - when measuring at the antenna foam jumper out of
the Antenna Interface Frame.
• When measuring at the Base Station TX Test Port in the Antenna Interface Frame,
the TX Coupling factor for the associated antenna must be entered. This is done in
parameters 22 through 28.
• 30. TX Test Port Cable Loss - when measuring at the Base Station TX Test Port in the
Antenna Interface Frame.
Specifications (Pass/Fail Limits):
• None used for this test.
Select and Run the Test
Select and run the Spectrum Analyzer test as follows:
Step 1. From the Lucent AMPS Test Main Menu screen, select the Test Selections field. The
Test Software will display the Test Selections Menu screen.
Step 2. Select the Spectrum Analyzer field.
Step 3. Enter information about the radio in the Spectrum Analyzer menu.
• Enter the Specified Output Power for the radio to be tested. This is the level that
should be present at the output of the Antenna Interface Frame (that would normally
connect to the transmit antenna feed line).
• Enter the Cell Site Number for the site.
• Enter the Antenna Number for the antenna connected to the radio.
• Select the Radio Type from the Choices: list: AMPS or AMPS Setup.