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Performance Verification
4-28
2715 Spectrum Analyzer Service Manual
Performance requirement is 1.5:1 or better.
Test equipment required:
H All instruments except Option 50 - 75 Ω VSWR Bridge with
50 -- 75 Ω matching pad on RF in and RF out Test Spectrum
Analyzer with T racking Generator
H Option 50 instruments - 50 Ω VSWR Bridge. No matching pad on
RF in and RF out Test Spectrum Analyzer with Tracking Generator
1. Recall default power up settings by pressing UTIL 1 1.
2. Connect the test equipment as shown in Figure 4 --5. Do not connect the
VSWR Bridge to the Spectrum Analyzer.
2715 Spectrum Analyzer
1st LO
50Ω or 75Ω
VSWR Bridge
2nd LO
Test Spectrum Analyzer
Tracking
Generator
RF Input
50/75 Ω Pad
(75 Ω bridge only)
50/75 Ω Pad
(75 Ω bridge only)
RF INPUT
OUT
RF out RF in
Figure 4- 5: Test Equipment Setup for Checking Return Loss
3. Select the following settings on the test spectrum analyzer:
Reference Level 0 dBm
Span/div Max S pan
Vertical Scale 10 dB/div
4. Set the Tracking Generator output level at 0 dBm.
VSWR