RIGOL
© 2008
RIGOL
Technologies, Inc.
User’s Guide for DG1022
3-12
Example 9: To Generate a FSK Waveform
How to generate a FSK Waveform with 800Hz Hop Frequency and 200Hz FSK Rate.
The Carrier is a Sine Wave with 10 kHz Frequency.
The operation steps:
1.
Choose the Carrier Function.
Press Sine, and choose the Sine Waveform as the Carrier Function.
The default setting of the Source is Internal.
2.
Set the Frequency of the Carrier.
Press Period/Freq
Freq which will display in reverse color. Input “10” from the
keypad and choose the unit “kHz” to set the Frequency as 10 kHz.
For the other parameters, use the default values, you can view all the parameters
in the Graph mode.
3.
Set the Modulation Type FSK.
Press Mod
Type
FSK, choose FSK. Please notice that the message shown on
the top left side of the screen is “FSK”.
4.
Set the Hop Frequency.
Press HopFreq, use the keypad to enter “800”, choose the unit “Hz”, setting the
Hop Frequency as 800Hz.
5.
Set the FSK Rate.
Press FSKRate, use the keypad to enter “200”, choose the unit “Hz”, setting the
FSK Rate as 200Hz.
After finishing the above settings, press View, the generated FSK Waveform is shown
in Figure 3-10.
Figure 3-10
The FSK Output