Function introduction
60 AFG31000 Series Arbitrary Function Generator User's Manual
To sweep a waveform:
1. Select Basic.
2. Make sure that Sine is selected for CH1 on the touchscreen. For this example, a sine waveform
is used as an output waveform (carrier waveform).
3. Select Continuous mode on the CH1 drop-down menu on the touchscreen.
4. Select Sweep. You can specify the start frequency, stop frequency, sweep time, and return time
from the sweep menu. Return Time represents the amount of time from Stop Frequency to Start
Frequency.
The following figure is a sample oscilloscope screen. The top waveform is a sample sweep waveform.
The bottom waveform is a trigger output signal.
Figure 34: Oscilloscope sweep waveform
NOTE. For frequency sweeps, you can select a sine, square, ramp, or arbitrary waveform. Pulse, DC,
and Noise waveforms cannot be selected. Once the sweep is selected, the frequency is swept from the
sweep start to the sweep stop frequencies. If a start frequency is lower than a stop frequency, the
instrument sweeps from the low frequency to the high frequency. If a start frequency is higher than a
stop frequency, the instrument sweeps from the high frequency to the low frequency.
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