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SDG1000 User Manual 49
Figure 2- 37 Table 2- 18 Menu Explanations of the PM Parameters
PWM
The modulated waveform consists of two parts: the carrier waveform and the
modulating waveform, the carrier waveform is only pulse. In PWM, the pulse
width of pulse varies with the instantaneous voltage of the modulating
waveform. The parameters for the FM are as shown in Figure 2- 38.
Function
Menu
Settings
Explanation
PM Freq
Set the modulating waveform frequency.
Frequency range:
2mHz~20kHz
Phase
Dev
Range from 0° ~ 360°.
Type
PM
Phase 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
[ExtTrig/Gate/FSK/Burst] connector in the
rear panel.
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