![Anritsu MG3702xA Series Maintenance Manual Download Page 83](http://html.mh-extra.com/html/anritsu/mg3702xa-series/mg3702xa-series_maintenance-manual_2945427083.webp)
Chapter 3 — Performance Verification
3-10 Pulse Modulation Tests
MG3702xA MM
PN: 10370-10372 Rev. B
3-41
Pulse On/Off Ratio
The following procedure lets you measure the pulse on/off ratio of the MG3702xA's pulse modulated RF output.
Test Setup
Set up the equipment shown in
, as follows:
1.
Connect a 6dB BNC pad to the MG3702xA 10 MHz reference output, then connect a BNC cable
from the 6dB pad to the Spectrum Analyzer's
External Reference
input.
2.
Connect the MG3702xA
RF Output
to the Spectrum Analyzer's
RF Input.
3.
Set up the Spectrum Analyzer as follows:
a.
Press the
PRESET
key.
b.
Press
AUX CTRL
.
c.
Press the
Rear Panel
soft key.
d.
Press the
10MHz
soft key and set to “EXT”.
Test Procedure
Measure the pulse on/off ratio as follows:
1.
Set up the MG3702xA as follows:
a.
Preset the instrument by pressing
Preset
. After preset, the CW menu is displayed.
b.
Press
Edit Frequency
to open the current frequency parameter for editing.
c.
Set F0 to the first/next applicable frequency in the test record for the model being tested.
d.
Press
Edit Level
to open the current power level parameter for editing.
e.
Set L0 to the maximum specified leveled output power level for the instrument being tested
(refer to
“MG3702xA Technical Data Sheet”
f.
Press
Modulation
, then Pulse to select the External Pulse Status menu.
g.
Press
Low RF
On and ensure that the pulse mode is turned off.
2.
Set up the Spectrum Analyzer as follows:
a.
Press the
AMPLITUDE
key and enter the current power level setting of the MG3702xA.
b.
Press the
FREQUENCY
key and enter the current frequency setting of the MG3702xA.
Figure 3-15.
Equipment Setup for Pulse On/Off Ratio Tests
6 dB
BNC
Attenuator
MG3702xA
EXT REF
Input
10 MHz
REF Out
RF Out
MG37022A
Signal
Generator
Standby
Operate
Agilent 8565EC
Spectrum Analyzer
RF In
Summary of Contents for MG3702xA Series
Page 4: ......
Page 5: ......
Page 8: ...TG 8 PN 10370 10372 Rev B MG3702xA MM ...
Page 24: ...1 12 Test Equipment List Chapter 1 General Information 1 10 PN 10370 10372 Rev B MG3702xA MM ...
Page 42: ...2 5 RF Deck Assemblies Chapter 2 Functional Description 2 18 PN 10370 10372 Rev B MG3702xA MM ...
Page 120: ...5 5 Troubleshooting Tables Chapter 5 Troubleshooting 5 24 PN 10370 10372 Rev B MG3702xA MM ...
Page 182: ...Index 4 PN 10370 10372 Rev B MG3702xA MM ...
Page 183: ......