RIGOL DG5000 Series - Manual (Page 83)

Chapter 4 Common Modulation Output RIGOL
User’s Guide for DG5000 4-7
To Set Modulating Waveform Frequency
When internal modulation source is selected, press FM_Freq to set the modulating
waveform frequency.
 Input the desired frequency value using the numeric keyboard or knob.
 The modulating waveform frequency ranges from 2 mHz to 50 kHz, and the
default value is 100 Hz.
Note: This menu will be grayed out and disabled when external modulation source is
selected.
To Set Frequency Deviation
Press Deviation to set the frequency deviation of the modulating waveform
frequency relative to the carrier waveform frequency.
 The frequency deviation must be less than or equal to the carrier waveform
frequency.
 The sum of frequency deviation and carrier frequency must be less than or equal
to the sum of upper limit of current carrier frequency and 1 kHz.
When external source is selected, frequency deviation is controlled by the ±6 V signal
level of the Mod in/I connector at the rear panel. For example, if the frequency
deviation is set as 1 kHz, +6 V signal level corresponds to a 1 KHz increase in
frequency. Lower external signal level generates less deviation, and negative signal
level will reduce the frequency below the carrier waveform frequency.