Troubleshooting
6-10 Troubleshooting – 3739A Test Set Port Power Level Check
VectorStar ME7838 Series MM
PN: 10410-00306 Rev. F
6-11
6-10 Troubleshooting – 3739A Test Set Port Power Level Check
The Test Set Port Power Level Check verifies that sufficient levels of RF power and LO power are supplied to
the Millimeter-Wave Modules.
Equipment Required
•
Anritsu ML2437A or ML2438A Power Meter
•
Anritsu MA2474D Power Sensor
•
Anritsu MS2718B Spectrum Analyzer
•
Anritsu 34NKF50 Adapter
•
Anritsu 15KK50-1.0A RF Cable
Procedure
1.
Turn on the Power Meter and allow it to warm up at least 30 minutes.
2.
Calibrate the power sensor.
3.
Disconnect the cables connected to Port 1
RF
port, Port 1
LO
port, Port 2
RF
port and Port 2
LO
port on
the 3739A Test Set.
RF Port Output Level Check
4.
Set the VNA Start Frequency to 54 GHz and Stop Frequency to 110 GHz.
5.
Press the
Trace
key and set
# of Trace
to
1
,
Trace Max
,
Trace Format
to
Log Mag
and
Trace 1
to
S11
.
6.
Turn on
CW Mode
.
7.
Connect the power sensor to the Port 1
RF
port of the 3739A Test Set.
8.
Vary the CW Frequency and monitor the output to see if the power level is at the expected level per
.
9.
Set the VNA
Trace 1
to
S22
.
10.
Connect the power sensor to the Port 2
RF
port of the 3739A Test Set.
11.
Repeat Step 8.
Note
Set the Cal Factor on the power meter to match the RF port output frequency.
Table 6-4.
Expected Test Set RF Output Level
VNA Set Freq
RF Port Output Freq
Expected Power Level
54 GHz
27 GHz
3 dBm
68 GHz
34 GHz
3 dBm
80 GHz
40 GHz
3 dBm
80.1 GHz
26.7 GHz
3 dBm
95 GHz
31.7 GHz
3 dBm
110 GHz
36.7 GHz
3 dBm
Содержание VectorStar ME7838 Series
Страница 2: ......
Страница 14: ...1 6 ME7838 Series VNA System Overview General Information 1 6 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 28: ...1 7 Recommended Test Equipment General Information 1 20 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 76: ...4 10 ME7838G System Operation Theory Of Operation 4 16 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 94: ...5 3 ALC Level Calibration Adjustment 5 18 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
Страница 176: ...A 3 ME7838G WR05 S Parameter Measurements Test Record Test Records A 4 PN 10410 00306 Rev F VectorStar ME7838 Series MM ...
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