Chapter 4
Front-Panel Key and SCPI Command Reference
Measurement keys
208
Front-Panel Key and SCPI Command
Reference
4.4.5 FM Deviation Measurement
The FM Deviation measurement consists of 2 views: Numeric Results View and Waveform View
1. FM Deviation Numeric Results View has two windows:
• FM Deviation Numeric Results Window (upper)
• FM Deviation Settings Window (lower)
2. FM Deviation Demod Waveform View has two windows:
• FM Deviation Waveform Window (lower)
• FM Deviation Numeric Results Window (upper)
Table 4-15 FM Deviation Numeric Results Window
Name Corresponding Results
FM Deviation n=1 1st
FM Deviation output
Modulation Rate n=1 3rd
Modulation Distortion n=1 4th
Modulation SINAD n=1 5th
Table 4-16 FM Deviation Settings Window
Name Corresponding Results
IF BW Type It can be Auto, Manual
IF BW This value is the IF bandwidth set manually
Detector Selection It can be Peak +, Peak −, Peak +– /2 or RMS
Peak Hold It can be On or Off
HP Filter It can be None, 50 Hz or 300 Hz
LP Filter It can be None, 3 kHz, 15 kHz, 30 kHz or 300 kHz
De-emphasis Filter It can be None, 25 μs, 50 μs, 75 μs, or 750 μs
Table 4-17 FM Deviation Waveform Window
Marker Trace Yes
Corresponding Trace FM Deviation vs. Seconds trace (n=0)
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