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SDG1000 User Manual 115
3.15. Example 15: Generate a DSB-AM Wave
Generate a DSB-AM waveform with 100Hz key frequency. The carrier is a
sine wave with 2kHz frequency.
Steps:
Set the frequency, amplitude and offset of the carrier wave.
1. Press Sine , and choose the sine waveform as the carrier wave
2. Press Freq and choose Freq which will display in white color. Input ‘2’
from the keyboard and choose the unit ‘kHz’ to set the frequency 2kHz
3. Press Ampl and choose Ampl which will display in white color. Input ‘4’
from the keyboard and choose the unit ‘Vpp’ to set the amplitude 4Vpp.
4. Press Offset and choose Offset which will display in white color. Input ‘0’
from the keyboard and choose the unit ‘Vdc’ to set the offset 0Vdc.
Set the modulation type DSB-AM and parameters.
1. Press Mod →Type →DSB-AM, choose DSB-AM. Please notice that the
message shown on the middle left side of the screen is ‘DSB-AM ’.
2. Press Key Freq, input ‘100’ from the keyboard and choose the unit ‘Hz’ to
set the key freq 100Hz.
When all parameters above are set, the wave generated is shown in Figure
3- 15
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