NF WAVE FACTORY WF1967, Instruction Manual (Operations

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4.7 Setting and Operation of Modulation
WF1967/WF1968
4-69
4.7.10 Setting DC Offset Modulation
The DC offset changes according to the instantaneous value of modulation signal.
For the modulation setting screen and the common operation method, please refer to P.4-55, P.4-58
a) DC offset modulation example
When the modulating signal swings to the positive side, the DC offset of the output signal increases
in the positive direction.
b) To select DC offset modulation
c) Waveform or mode where DC offset modulation is unavailable
There are no waveforms where DC offset modulation is unavailable. All waveforms are included.
DC offset modulation cannot be performed with DC offset sweep.
d) Setting items necessary for dc offset modulation
Set the DC offset [Offset] on the first page of the setting page.
Set the peak DC offset deviation [Deviation] on the second page of the setting page.
The output DC offset changes within the range of DC offset setting ± peak DC offset deviation.
When the modulation source [Source] is internal [Int], set the modulation waveform [ModFctn],
modulation frequency [ModFreq], and modulation phase [ModPhs]. Internal [Int] cannot be
selected during sweep oscillation mode.
When the modulation source [Source] is external [Ext], enter the modulating signal to the external
modulation/addition input terminal. It reaches the specified peak DC offset deviation at ± 1V input.
Select [OFSM] in the modulation type setting menu
Set the modulation type [ModType] to DC
offset modulation [OFSM] on the second
page of the setting screen when the
oscillation mode [Mode] is set to
modulation [MODU] and on the third page
of the setting screen when the mode is
burst [BURST] or sweep [SWEEP].
Modulation sync signal
(during internal modulation)
Modulation signal
Output signal
DC offset setting
±Peak DC offset deviation