182 Keysight N9927-90001 User’s Guide
SA (Spectrum Analyzer) Mode
SA Mode Settings
Some examples of the conditions when alignments occur are: This
could be a Center frequency change, or it could be as simple as
requesting a Single sweep. Also, unique alignments are required at
different FieldFox receiver frequency bands, so even if the
temperature hasn't changed, an alignment may be required when
one changes the Center frequency.
If a needed alignment cannot be performed, the user is notified about
questionable amplitude
AMPTD?
.
—
OFF
Alignments are not performed. The most recent alignment result
is cleared. Only factory corrections are applied to SA Receiver
measurements. Questionable amplitude
AMPTD?
is always
displayed.
—
Hold
The alignment process is stopped, but the last alignment
values are applied to subsequent sweeps.
—
Amptd Align Now
An alignment is performed immediately, thus updating
(clearing) any questionable amplitude status. If the Mode was previously
Off, it is changed to Hold.
Amptd?
is annotated in the lower left corner of the FieldFox screen when
amplitude alignment is questionable. This is always true when OFF, and is
conditionally true in Auto or Hold when the most recent alignment is deemed
stale.
RF Burst Amplitude Alignment
RF Burst alignment calibrates the circuitry to provide accurate external RF
Burst triggering. Learn more about RF Burst triggering in
When enabled (by default) the FieldFox performs an alignment process using
the internal RF source. Although some sweeps are delayed, measurement
results are never disturbed.
If the Independent Source is enabled for your measurement, it will be borrowed
to perform the alignment. Again, the measurement results are not disturbed.
Learn about the Independent Source in
.
The alignment process can be disabled. You may want to do this, for example,
if you are analyzing the amplitude stability of a signal.
How to make Burst Alignment settings
These settings do NOT survive a Preset or Mode Preset.
— Press
Cal 5
— Then
Individual Alig
n
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Страница 82: ...82 Keysight N9927 90001 User s Guide TDR Time Domain Reflectometry Option 215 TDR Measurement Settings ...
Страница 106: ...106 Keysight N9927 90001 User s Guide NA Network Analyzer Mode NA Mode Settings ...
Страница 142: ...142 Keysight N9927 90001 User s Guide Calibration for NA CAT and VVM Modes Calibration Method Summary ...
Страница 202: ...202 Keysight N9927 90001 User s Guide SA Spectrum Analyzer Mode Channel Measurements ...
Страница 262: ...262 Keysight N9927 90001 User s Guide IQ Analyzer IQA Option 351 CPU2 Only Other Features Available ...
Страница 286: ...286 Keysight N9927 90001 User s Guide Interference Analyzer SA Mode Option 236 Record Playback SA Option ...
Страница 292: ...292 Keysight N9927 90001 User s Guide Reflection Mode SA Models Option 320 Reflection Mode Settings ...
Страница 316: ...316 Keysight N9927 90001 User s Guide Frequency Offset Using Power Sensor FOPS Option 208 FOPS Settings ...
Страница 332: ...332 Keysight N9927 90001 User s Guide Pulse Measurements Mode Option 330 Pulse Measurement Settings ...
Страница 346: ...346 Keysight N9927 90001 User s Guide VVM Vector Voltmeter Mode Option 308 A B and B A Measurements ...
Страница 370: ...370 Keysight N9927 90001 User s Guide AM FM Metrics SA Only and Option 355 Interpreting AM FM Metrics Error Messages ...
Страница 444: ...444 Keysight N9927 90001 User s Guide Noise Figure Mode Option 356 CPU2 Only Troubleshooting ...
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