196 Keysight N9938-90006 User’s Guide
SA (Spectrum Analyzer) Mode (Option 233–Mixed Analyzers)
SA Mode Settings
Sync
Selects the type of signal the periodic trigger is synchronized.
—
None
No synchronization is selected for a Periodic trigger.
—
External
A sweep is triggered on an external TTL signal at the Ref In/Trig In
connector on the FieldFox top panel. Choose to trigger on the rising slope
at about 1.7 V or on the falling slope at about 1.0 V using the Trigger Slope
setting (below).
—
RF Burst
uses an alignment process which is performed in the background
to set the detected signal level accuracy. Learn more in
Amplitude Alignment” on page 209
—
1 PPS GNSS
Periodic trigger is synchronized to a 1 pulse per second GNSS
signal.
Trigger Slope
Trigger Slope determines which edge of an External, Video, or RF Burst trigger
signal initiates a sweep.
1.
Press
Sweep 3
>
Trigger Settings
>
Trig Slope
2.
Then choose from the following:
—
Pos
Sweep is triggered by the rising (positive) edge of signal.
—
Neg
Sweep is triggered by the falling (negative) edge of signal.
Trigger Delay
After a valid trigger signal is received, the sweep begins after the specified
Trigger Delay time.
To see the rising edge of a repetitive signal which is triggered on that edge,
enter a negative trigger delay value (also known as pre-trigger). Adjust the
sweep time to observe the pre-trigger time if necessary.
1.
Press
Sweep 3
>
Trigger Settings
>
Trig Delay
This softkey is ONLY available when
Trigger Type
is set to
Periodic
. SA
STEP
sweeps do not have trigger behavior. So, they are essentially always
in “
FREERUN
" mode. If you try to set a trigger (other than FREERUN) in SA
Step sweep, the FieldFox displays the following popup message:
"
Note: Trig Type has no effect while in STEP sweep mode
"
This softkey is unavailable when
Trigger Type
is set to
Periodic
.
Summary of Contents for N9913B
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Page 572: ...572 Keysight N9938 90006 User s Guide Power Meter USB LAN Mode Option 302 Troubleshooting ...
Page 724: ...724 Keysight N9938 90006 User s Guide Noise Figure Mode Option 356 Troubleshooting ...
Page 858: ...858 Keysight N9938 90006 User s Guide Specifications Data Sheet ...
Page 861: ...861 Keysight Handheld Analyzers N99xxB User s Guide D Korean Battery Safety Translation ...
Page 862: ...862 Keysight N9938 90006 User s Guide Korean Battery Safety Translation ...
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Page 884: ...884 Keysight N9938 90006 User s Guide Keysight Software End User Licensing Agreement EULA ...
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