Keysight N5280A User’s and Service Guide 37
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
Figure 17
on page 25
.
2.
Press [Preset].
3.
Set the IF Config On. Select Trace/Chan > Channel > Hardware Setup > IF
Config. Refer to
Figure 22 on page 34
.
4.
Select all of the IF Inputs External A, B, C and D > OK. Refer to
Figure 23 on
page 35
.
5.
Select [Analysis] > Statistics On.
6.
Select [Meas] > More > Receivers, select A > Apply > OK. Refer to
Figure
24 on page 35
.
7.
Select [Memory] > Normalize.
8.
Select [1] on the 11713C. The mean value should read
10 dB (± 1 dB).
Select [1] again, it should read 0 dB.
9.
Select [2] on the 11713C. The mean value should read
20 dB (± 1 dB).
Select [2] again, it should read 0 dB.
10.
Select [3] on the 11713C. The mean value should read
5 dB (± 1 dB).
Select [3] again,
it should read 0 dB.
11.
Repeat
See “Select [Meas] > More > Receivers, select A > Apply > OK.
Refer to Figure 24 on page 35.” on page 37.
through
See “Select [3] on the
11713C. The mean value should read
5 dB (± 1 dB). Select [3] again, it
should read 0 dB.” on page 37.
for B, C and D RF INPUTS.
Summary of Contents for N5280A
Page 32: ...32 Keysight N5280A User s and Service Guide N5280A Operational Check Figure 21 LO AUX Output...
Page 34: ...34 Keysight N5280A User s and Service Guide N5280A Operational Check Figure 22 IF Config...
Page 50: ...50 Keysight N5280A User s and Service Guide N5280A Regulatory Information...
