Chapter 3
VirtualBench-DSA
© National Instruments Corporation
3-5
Getting Started with VirtualBench
Figure 3-4. Span Tab of DSA Frequency Settings Dialog Box
3.
Select a Baseband Span that is appropriate to the signal you are trying
to measure. Click OK.
4.
In the upper display on the front panel, select Time Waveform in the
Waveform Type pop-up menu. Choose Linear Magnitude in the
Scale pop-up menu.
5.
Select Markers None in the Markers pop-up menu.
6.
In the lower display on the front panel, select Power Spectrum in the
Waveform Type pop-up menu. Choose Log Magnitude in the Scale
pop-up menu.
7.
Click the Single button. VirtualBench-DSA displays a single frame of
data. If no data is visible, click the Autoscale Y-axis button (the button
that contains a “Y” and up/down arrows) in the display control. Check
your signal connections if data still does not appear.
8.
Click Run. VirtualBench-DSA continuously acquires and displays
frames of data.
9.
Click Run again to stop acquisition.
Note
Refer to the VirtualBench-DSA Online Reference for more information about
configuring VirtualBench-DSA for your specific application.