User’s and Service Guide N5281-90001
33
N5281A
Operational Check
N5245A Operational Check Procedure
The sequence of this procedure is very important and must be followed or the performance
accuracy and results may vary from the reference plots provided.
If you are using a N5244A or N5245A 2-Port PNA-X, channels C and D
will be replaced with R1 and R2.
The following procedures are used with the N5245A.
Preparing the N5245A
1. Connect the Test Set to the N5245A using the cables as shown in
Figure 15 on page 22
,
Figure 16 on page 23
and
Figure 17 on page 23
.
2. Connect the 10 dB attenuator to the PNA-X reference port cable.
3. Turn On the Test Set.
4. Select
[Preset]
.
5. Verify that the Stop Frequency is set to the maximum frequency of the PNA and test set. If
not, select
[Freq]
>
Stop
.
6. Verify that the Start Frequency is set to 10 MHz. If not, select [
Freq]
>
Start
>
[10 MHz]
.
7. Verify that the Power is to set to -5 dBm. If not, select
[Power]
>
Power Level
>
[-5 dBm]
.
8. Select
[Avg]
>
IF Band wid th
>
[1 kHz]
.
9. Select
[Sweep]
>
Number of Points
>
[401]
.
10.Allow the test set and the PNA to warm up for a minimum of 30 minutes.
11.Set the IF Switch Config On. In the drop-down menu select
Trace/Chan
>
Channel
>
Hard ware Setup
>
IF Switch Config
.
Figure 25
IF Switch Config