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4-15
Performance Tests
6. Test Port Input Noise Floor Level
5
Repeat the test, but select the B sampler (A6) by pressing
MEAS
,
INPUT PORTS
,
B
in Step 2. Use the following specifications:
300 kHz to 3 GHz < –27 dBm
3 GHz to 6 GHz < –22 dBm
6
If the analyzer fails the test, replace the A11 assembly.
7
Verify that the high/low band adjustments are still within specifications. For
more information on how to perform this task, refer to the
Agilent 8753D
Service Guide
.
8
Refer to the
Agilent 8753D Service Guide
for more troubleshooting
information.
6. Test Port Input Noise Floor Level
Perform this test to determine the Agilent 8702D port 1 and port 2 noise floor
levels at the input test ports.
Required
Equipment
For 50Ω Analyzers
Calibration Kit, 7 mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 85031B
For 75Ω Analyzers
Calibration Kit, Type-N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 85036B
Procedure Port 1 Noise Floor Level from 50 kHz to 3 GHz (IF BW= 3 kHz)
1
Connect the equipment as shown in Figure 4-9.
Figure 4-9. Source Input Noise Floor Test Setup