Keysight Technologies N9340B User Manual page 129

The mak types for IBOC-FM are listed as below:
• FCC (FM-73.317)
• NRSC-5-B Hybrid
• NRSC-5-B Hybrid
Figure 5-2 IBOC (FM) spectral emission mask and limits
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-600 -400
Trace in red is FCC spectral emissions mask.
Trace in blue is NRSC hybrid spectral emissions limits.
Trace in Black is NRSC all digital spectral emissions limits.
• Mask On/Off
Mask On/Off is a switch to enable the mask function.
• Set Span and RBW according to mask standard
automatically.
• Set Average Type to Power and Detector to
Average (RMS), and also set average on with
average times to meet the measurement
specification.
• Pass/Fail
Pass/Fail On/Off is a switch to enable/disable
PASS/FAIL verification.
• Beep
Beep On/Off is a switch to enable/disable Pass/Fail
beep sound indication.
IBOC (FM) spectral emission mask and limits
-200 0
Offset from carrier frequency (kHz)
Key Reference
200 400 600
MODE
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