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N5280A
Operational Check
Attenuator Element Verification Procedure
The Attenuator Element Verification Procedure is a functional test only. This
test verifies the functionality of the variable attenuator in each channel RF
path. The following procedures are used with the 11713C attenuator switch
driver.
1. Connect the cables from the Test Set to the 11713C as shown in
2. Press [Preset].
3. Set the IF Config On. Select Trace/Chan > Channel > Hardware Setup > IF
4. Select all of the IF Inputs External A, B, C and D > OK. Refer to
5. Select [Analysis] > Statistics On.
6. Select [Meas] > More > Receivers, select A > Apply > OK. Refer to
7. Select [Memory] > Normalize.
8. Select [1] on the 11713C. The mean value should read 10 dB (± 1 dB).
9. Select [2] on the 11713C. The mean value should read 20 dB (± 1 dB).
10.Select [3] on the 11713C. The mean value should read 5 dB (± 1 dB).
11.Repeat
Keysight N5280A User's and Service Guide
on page
25.
Config. Refer to
Figure 22 on page
page
35.
24 on page
35.
Select [1] again, it should read 0 dB.
Select [2] again, it should read 0 dB.
Select [3] again,
it should read 0 dB.
See "Select [Meas] > More > Receivers, select A > Apply > OK.
Refer to Figure 24 on page 35." on page 37.
11713C. The mean value should read 5 dB (± 1 dB). Select [3] again, it
should read 0 dB." on page 37.
34.
through
See "Select [3] on the
for B, C and D RF INPUTS.
Figure 17
Figure 23 on
Figure
37
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