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Displayed Average Noise Level (DANL) Description
14. Connect the RF cable assembly from the test set to the EMC
analyzer INPUT 50
using the 3.5 mm (f) to (f) RF adapter
supplied with the EMC analyzer. Refer to Figure 3-6. Torque the
connector to 8 inch lbs.
15. Activate the test set correction factors, excluding antenna factors,
in the EMC analyzer as follows:
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
,
More 1 of 4 ,
4
5
SETUP
NNNNNNNNNNNNNNNNNNNNNNNNNN
OTHER ON
16. Connect the synthesizer/level generator cable with a 10 dB
attenuator to the input of the test set. Refer to Figure 3-6.
Figure 3-6. System Gain Veri cation
17. Record the
NNNNNNNNNNNNNNNNNNNNNNNNNN
MARKER 1 amplitude in Table 3-4.
18. Repeat steps 5 through 17 for the remaining test frequencies
listed in Table 3-4. You can also verify HP 84125A/B system
functionality at other frequency points by repeating the above
procedure at the frequency point of interest.
This test measures the displayed average noise level of the
HP 84125A/B microwave EMI measurement test system.
The test set is connected to the input of the EMC analyzer. The
DLP is used to set up the initial EMC analyzer settings and to load
the correction factors for the complete test set. This includes the
correction factors for the antenna (that is, Antenna Factors) and
correction factors for the ampli ers, cables, and lters which is
stored in the \Other Factors" register of the EMC analyzer. The
antenna is replaced with a 50 ohm termination and the antenna
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Correctn Factors ,
Other Factors ,
System Setup and Functional Tests 3-15
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