520 Keysight N9927-90001 User’s Guide
AM/FM Metrics (SA Only and Option 355)
Interpreting AM/FM Metrics Error Messages
Test Tone Not Found - Example
The following response had the following settings:
— Source CF: 140 MHz
— FM Deviation: 18 kHz
— Modulation Rate: 1 kHz
Reasons for error:
— Frequency span of 1.0 MHz is too wide
— No side lobes displayed, so test tone not found
Figure 25-7 Test Tone Not Found - Example