User Manual

RIGOL
© 2006 RIGOL Technologies, Inc.
User’s Guide for DG3000 Series
3-16
Example 9: To Generate an FSK Waveform
How to generate an FSK Waveform with 200Hz FSK Rate. The Carrier is a Sine Wave
with 10kHz Frequency, and the Hop Wave is a Sine Wave with 800Hz Frequency.
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, Amplitude and Offset.
(1) Press Freq and choose Freq which will display in reverse color. Input
“10” from the keypad and choose the unit “kHz” to set the Frequency 10
kHz.
(2) Press Ampl and choose Ampl which will display in reverse color. Input
“2” from the keypad and choose the unit “Vpp” to set the Amplitude 2Vpp.
(3) Press Offset and choose Offset which will display in reverse color.
Input “0” from the keypad and choose the unit “Vdc” to set the Offset 0Vdc.
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 FSK Rate
Press FSK Rate , use the keypad to enter “200”, choose the unit “Hz”, setting
the FSK Rate 200Hz.
5. Set the Hop Frequency
Press Hop Freq , use the keypad to enter “800”, choose the unit “Hz”, setting
the Hop Frequency 800Hz.
At this time, the Generator generates the specified AM waveform. The Waveform is
shown in figure 3-10.
6. Turn off the Modulation Function.
Press the lighted Mod Key to turn off the Modulation Function.