12 Keysight N9927-90001 User’s Guide
How to select Spectrum Emission Mask (SEM) Measurement . . . . . . . . . . . . . . . . . . . .220
10. RTSA (Real-Time Spectrum Analyzer) Mode—Option 350 (CPU2 Only)
How to select RTSA Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227
Frequency Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227
Scale and Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .228
External Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229
Attenuation Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229
Preamplifier Control (Opt 235) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230
Check for Compressed Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .231
Spectrum Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .231
Resolution Bandwidth (Res BW) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .234
Triggering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .235
Single / Continuous / Restart / Time Per Div . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .238
Acq Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .239
Points (not user settable) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .239
Trace Display States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .240
Detection Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .241
Average Count, Show Density, Blue, and Red Percentage Limits . . . . . . . . . . . . . . . . .242
Alignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243
Display Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243
Spectrogram Display (RTSA Option). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245
Common Settings for Spectrogram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .246
About Sessions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .247
FieldFox Setting Changes during Record and Playback . . . . . . . . . . . . . . . . . . . . . . . . .248
About State and User Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .249
How to Record a Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250
How to Playback a Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .251
Recording Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .252
Record Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .253
Playback Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .254
Manage Sessions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .254
Record Playback Example (RTSA Mode Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .255
11. IQ Analyzer (IQA) – Option 351 (CPU2 Only)
About I/Q Analyzer (IQA) Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260
I/Q Analyzer (IQA) Mode Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261
How to Make Measurements Using the I/Q Analyzer Mode . . . . . . . . . . . . . . . . . . . . . .261
Summary of Contents for FieldFox A Series
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