Rigol DG800 Series, Руководство пользователя

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Chapter 2 Front Panel Operations RIGOL
DG800 User's Guide 2-41
Phase Modulation (PM)
For phase modulation (PM), the phase of the carrier waveform varies with the
instantaneous voltage of the modulating waveform.
To Select PM Modulation
Press Menu

Modulation

"PM" to enable the PM function. When Modulation
is enabled, Sweep or Burst will be automatically disabled (if enabled currently). Tap
the icon
at the upper-right corner of the interface (when Sine is selected as the
carrier waveform) to view and set the parameters of the current carrier waveform.
Tap the icon
at the upper-right corner of the interface again to go back to the
current modulation parameter interface.
To Select the Carrier Waveform
PM carrier waveform could be Sine, Square, Ramp, or Arbitrary waveform. The
default is Sine.

Press Menu

Continuous to select the desired carrier waveform.

Pulse, Noise, Harmonic, Dual-tone, and DC could not be used as carrier
waveform.
To Set Carrier Waveform Parameters
The different settings of various parameters (e.g. frequency, amplitude, and offset)
of the carrier waveform will affect the output PM modulated waveform. For different
carrier waveform shapes, the ranges of the various parameters are different (the
ranges are related to the instrument model that you are using and the currently
selected carrier waveform). For all carrier waveform shapes, the default values are 1
kHz frequency, 5 Vpp amplitude, and 0 Vdc offset.

When the carrier waveform currently selected is Sine, Square, or Ramp, please
refer to descriptions in "To Output Basic Waveform" to set the parameters of
the carrier waveform currently selected.

When the carrier waveform currently selected is arbitrary waveform, please
refer to descriptions in "To Output the Arbitrary Waveform" to set the
parameters of the carrier waveform currently selected.
Note: After the PM function is enabled, the start phase of the carrier waveform
cannot be set.