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SIGLENT
SDG2000X User Manual 149
3.13 Example 13: Generate an ASK Modulation
Waveform
Generate an ASK modulation waveform with 500Hz key frequency. The carrier
is a sine wave with 5kHz frequency.
Steps:
Set the frequency, amplitude and offset of the carrier wave.
1. Press Waveforms, and choose the sine waveform as the carrier wave
2. Press Frequency/Period and choose Frequency which will display in blue
color. Input ‗5‘ from the keyboard and choose the unit ‗kHz‘ to set the
frequency to 5kHz
3. Press Amplitude/HighLevel and choose Amplitude which will display in
blue color. Input ‗5‘ from the keyboard and choose the unit ‗Vpp‘ to set the
amplitude to 5Vpp.
4. Press Offset/LowLevel and choose Offset which will display in blue color.
Input ‗0‘ from the keyboard and choose the unit ‗Vdc‘ to set the offset to
0Vdc.
Set the modulation type ASK and parameters.
1. Press Mod →Type → ASK, choose ASK. Please notice that the message
shown on the middle left side of the screen is ‗ASK‘.
2. Press Key Freq, input ‗500‘ from the keyboard and choose the unit ‗Hz‘ to
set the key frequency to 500 Hz.
When all parameters above are set, the waveform generated is shown in
Figure 3-13
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