Rigol DG4062, User Manual

Page: 96 / 238

RIGOL Chapter 5 Modulated Waveform Output
DG4000 User's Guide
5-4
To Set Modulating Waveform Frequency
When internal modulation source is selected, press
AM_Freq to set the
modulating waveform frequency.

Input the desired frequency value using the numeric keyboard or direction
keys and knob.

The modulating waveform frequency ranges from 2mHz to 50kHz, and the
default value is 100Hz.
Note: This menu will be grayed out and disabled when external modulation source
is selected.
To Set Modulation Depth
Modulation depth expressed as a percentage indicates the amplitude variation
degree. The AM modulation depth ranges from 0% to 120%. Press
AM Depth to
set AM modulation depth.

In 0% modulation, the output amplitude is half of the specified value.

In 100% modulation, the output amplitude is equal to the specified value.

In >100% modulation, the output amplitude of the instrument would not
exceed 10Vpp (50Ω load).
When "Ext" modulation source is selected, the output amplitude of the instrument
is also controlled by the ±2.5V signal level at the
[Mod/FSK/Trig] connector at
the rear panel. For example, set the modulation depth to 100%, the output
amplitude is the maximum when the modulating signal is +2.5V and the minimum
when the modulating signal is -2.5V.