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Figure 14.2 Modulation Interface

TIP

Supported carrier types include sine, square, and ramp. When the selected carrier waveform is

not supported, the modulation function is not available. You need to select an available carrier

waveform in the "Basic waves" menu.

14.2.1 AM

Amplitude Modulation (AM), namely the amplitude of the carrier waveform changes

with the amplitude of the modulating waveform.

Select the Modulation Type

Click or tap the Modulation Type drop-down button to select "AM".

Select the Modulating Waveform

The instrument uses built-in signals for modulation. Click or tap the Shape drop-

down button to select the modulating waveform. Available waveforms include:

• Sine

• Square with 50% duty cycle

• Triangle with 50% symmetry

• UpRamp with 100% symmetry

• DnRamp with 0% symmetry

• White gaussian noise

Set the Modulation Depth

Modulation depth is a percentage that represents the amplitude variation. Click or tap

the

Depth input field to set the modulation depth with the pop-up numeric keypad.

Function/Arbitrary Waveform Generator (for

DHO914S and DHO924S only)

DHO900 User Guide

174

Rigol DHO924 User Manual

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