Functional Description
IV - 40
Function/Arbitrary Waveform Generators
Functional Description (contd.)
PM
The modulated waveform consists of two parts: the carrier waveform and
the modulating waveform. In PM, the phase of the carrier waveform varies
with the instantaneous voltage level of the modulating waveform.
Setting Interface of
PM Waveform
Parameter
Press Mod
→
Type
→
PM, enter the following interface.
Function
Menu
Settings
Explanation
PM Freq
Set the modulating waveform
frequency. Frequency range:
2mHz~20kHz (internal source only).
Phase Dev
Set the phase deviation between the
modulating waveform and the carrier
waveform, ranging from
0°to 360°
Type
PM
Phase modulation
Shape
Sine
Square
Triangle
UpRam
DnRam
Noise
Arb
Choose the modulating waveform.
To change the carrier waveform
parameter, press Sine, Square etc.
Internal
The source is internal.
Source
External
The source is external. Use the [Ext
Trig/Gate/Fsk/Burst] connector in the
rear panel.