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SDG1000 User Manual 45
Press Mod Type FM, to enter the following menu.
Figure 2- 31 Table 2- 15 Menu Explanations of the FM Parameters
Function
Menu
Settings
Explanation
FM Freq
Set the modulating waveform frequency.
Frequency range 2mHz~20kHz (internal
source).
FM Dev
Set the maximum frequency deviation
Type
FM
Frequency modulation
Shape
Sine
Square
Triangle
UpRamp
DnRamp
Noise
Arb
Choose the modulating waveform. To
change the carrier waveform parameter,
press Sine, Square, Ramp, Arb
Source
Internal
The source is internal.
External
The source is external. Use the
[Modulation In] connector in the rear
panel.
Term Explanation
Frequency Deviation
The deviation should be equal to or less than the carrier waveform
frequency.
The sum of the deviation and the carrier frequency should be equal to or
less than maximum frequency of the selected function.
For an external source, the deviation is controlled by the voltage level of
the connector connected to the [Modulation In]. +6V corresponds to the
selected deviation and -6V to the negative selected deviation.
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