Rigol DG4000 Series Manuel d'utilisateur Page 124

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RIGOL Chapter 5 Modulated Waveform Output
DG4000 Series Users Guide
5-24
To Select Modulating Waveform Source
QPSK uses internal modulation source. Press Data Source to select PN15 or PN21
and the default is PN15.
To Set QPSK Rate
QPSK uses internal modulation source. Press Rate to set the frequency at which
the output phase shifts between carrier phaseand modulating phase.
Use the numeric keyboard or direction keys and knob to input the desired
frequency value.
The frequency range is from 2mHz to 1MHz and the default is 100Hz.
To Set QPSK Phases
QPSK phases are the modulating phases. Press Phase1, Phase2 and Phase3 to
set the modulating phases respectively.
Use the numeric keyboard or direction keys and knob to input the desired
phase value.
The phase range is from to 360º and the default values of Phase1,
Phase2 and Phase3 are 45, 135º and 225º respectively.
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