Keysight U3042AE16, User'S And Service Manual

Page: 75 / 90

U3042AE16 Troubleshooting the Test Set
Equipment Setup
1. Turn on the test set and the analyzer.
2.
Preset
the analyzer and set it to
Standalone Mode
. Select
Utility
>
System
>
Configure
>
Multiport Capability . In the dialog box select Restart as a standalone PNA > OK .
3. Confirm the frequency range is set to 10 MHz to 20 GHz or 26.5 GHz.
4. Connect the RF cables to the analyzer’s Ports 1 and 2. Connect the cables together using a
3.5 mm adapter.
5. Configure the analyzer to measure S21 and normalize the response trace.
6. Set the analyzer to
Interface Control Mode
: Select
Channel > Hard ware Setup > More >
Interface Control… and click Enable Interface Control box .
The <addrs>.<data> entries noted in the following Test Instructions table will
be used to configure the RF switches for this testing. After making your entry
select <OK> to execute the command, to return back for further entries, select
Interface Control on the PNA display.
Cable Connections
The RF flex cables will be connect to the designated test set front panel ports and
an uncorrected response trace should resemble the figures indicated in Table 21 .
Table 21 RF Signal Path Insertion Loss (S21)
RF Path Description Signal Insertion Loss (typical)
Source IN to Ports 5-20 Source Figure 55 on page 71
RCVR OUT to Ports 5-20 Receiver Figure 56 on page 73
Source IN to CPLR THRU Source Figure 57 on page 74
RCVR OUT to CPLR ARM Receiver Figure 57 on page 74
User's and Service Guide U3042-90012 71