Keysight Technologies U3022AM42, User'S And Service Manual

Page: 23 / 90

System Operational Check
The following is a raw measurement procedure to confirm that the RF interface cables between
the test set and analyzer are installed and the system is working correctly. Ensure that your
analyzer is operational before connecting the test set.
• Stack the analyzer on top of the test set.
•
Install the Test Set I/O cable on the rear panel.
•
Install all of the RF Interface cables on the front panel.
• Install the included female 3.5 mm s hort ( 85052-60007 ) to Port 1 on the analyzer.
Equipment Setup
1.
Turn on the test set and the analyzer .
2.
Preset the analyzer and make the following settings:
•
Set to Multi-Port Mode. Refer to "Multiport Mode" on page 30 .
•
Frequency range: 10 MHz to 26.5 GHz .
•
IFBW: 1 kHz, number of points: 201
•
Scale: 10 dB/Div
• Set the PNA to measure S11
•
Ensure the RF path of the analyzer is in Default mode. Refer to
"RF Path Configuration for Analyzer with Noise Figure Capability "
on page 35 .
U3022AM42 System Operational Check
Complete the following steps before beginning this procedure:
Verify Results
T he included accessory 3.5 mm female short will be relocated to each Test
Port and an uncorrected reflection response trace should be displayed that
resembles the following plots indicated in Table
7 below. If you suspect an
RF signal path problem, refer to the RF cable diagram and check the
interface cables associated with this signal path for proper installation.
Table 7 Reflection Response Results
Reflection Port Response Trace Cable Path Diagram
Port 1 Figure 13 on page 24 Figure 15 on page 25
Port 2 Figure 14 on page 24 Figure 15 on page 25
Ports 3 to 14 Figure 16 on page 2 6 Figure 1 7 on page 26 and Figure 19 on page 27
Ports 15 to 18 Figure 1 8 on page 2 7 Figure 1 7 on page 26 and Figure 19 on page 27
The trace ripple (peak-peak variation) is normal for this raw uncorrected
measurement.
Keysight U3022AM42 User's and Service Guide 23