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Performance Verification
4-25 Pulse Modulation Tests with the Sampling Oscilloscope
MG362x1A MM
PN: 10370-10386 Rev. B
4-89
Pulse On/Off Ratio
The following procedure lets you measure the pulse on/off ratio of the MG362x1A’s pulse modulated RF output.
Test Setup
Set up the equipment shown in
, as follows:
1.
Connect the MG362x1A’s rear panel
10 MHz REF OUT
to the spectrum analyzer’s
external reference
input.
2.
Connect the MG362x1A
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 MG362x1A as follows:
a.
Reset the instrument by pressing
SYSTEM
, then
Reset
. After reset, the CW menu is
displayed.
b.
Press
FREQUENCY
to open the current frequency parameter for editing.
c.
Set F1 to the first/next applicable frequency in the test record for the model being tested.
d.
Press
Level
to open the current power level parameter for editing and set L1 to the
maximum specified leveled output power level.
e.
Press
Modulation
, then
Pulse
to select the External Pulse Status menu.
f.
Press
Low RF On
and ensure that the pulse mode is turned off.
2.
Set up the spectrum analyzer as follows:
a.
Press the
PRESET
key.
b.
Press the
AMPLITUDE
key and enter the current power level setting of the MG362x1A.
c.
Press the
FREQUENCY
key and enter the current frequency setting of the MG362x1A.
Figure 4-14.
Equipment Setup for Pulse On/Off Ratio Tests
MG362x1A (DUT)
EXT REF
Input
10 MHz
REF OUT
RF Out
Agilent 8565EC
Spectrum Analyzer
RF In
RF Output
50 Ω
RF On/Off
Unleveled
Output: +29 dBm max
Reverse: +27 dBm, 0 VDC
FREQ
LEVEL
USER
SELECT
0
1
2
3
4
5
6
7
8
9
MG36221A
Signal Generator
20 GHz
Summary of Contents for Rubidium MG362 1A Series
Page 12: ...Contents 10 PN 10370 10386 Rev B MG362x1A MM ...
Page 16: ...1 9 ESD Requirements General Information 1 4 PN 10370 10386 Rev B MG362x1A MM ...
Page 30: ...2 6 RF Deck Assemblies Functional Description 2 14 PN 10370 10386 Rev B MG362x1A MM ...
Page 66: ...3 11 FM and Phase Modulation Calibration Calibration 3 36 PN 10370 10386 Rev B MG362x1A MM ...
Page 292: ...B 5 Self Test Messages Instrument Messages B 8 PN 10370 10386 Rev B MG362x1A MM ...
Page 293: ......