This program demonstrates how to record and stream data to disk as well as generate and stream data from disk, along with how to analyze the data.
Filename:
rec_playback_ref_app_v02.zip
Requirements:
View
Filename:
record_playback_ref_app86.zip
Requirements:
View
Version 2 is now available for download. This version adds support for both the NI PXIe-5663 and NI PXIe-5673. See the readme for more details.
Consult the white paper Introduction to RF Record and Playback to find documentation for this example.
Main Components of this Application
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Configure record settings to maximize dynamic range: Set RFSA Record Settings.vi
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Save record parameters on a XML header file: RF Header File.vi
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Simple NI PXI-5661 record: niRFSA Simple Record.vi
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Simple NI PXIe-5672 playback: PXIe Simple Playback.vi
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Load, save, and manage the header file: RF Header File.vi
The file includes a user interface (UI) where all the components are called in the correct order. To visualize the component interaction, Figure 1 displays the hierarchy of the VI.

Hierarchy of the UI That Calls Each Component
This is a simple UI to help understand how the pieces work together.

Instructions
1. Run the VI.
2. Select the destination file name to which you are writing the data.
3. Select the RFSA resource name.
4. Press Configure & Record Data. With the UI that appears, you can configure the span, center frequency, and input power level that you want to record with your signal.

5. Move the Range slide control down until your saturation is in the green zone (best saturation level). Set the span you want to record and the center frequency. You can also specify how long you want to record in the hh:mm:ss format.
6. Press Accept Configuration. A window appears displaying the status of the recording:

7. Press Stop or wait for the recording to finish.
8. Return to the initial UI where you can select Analyze and see the following display:

9. Press Stop when you finish (you can always perform offline analysis even if you do not have hardware).
10. Select the correct RFSG resource name and press Playback. A window then displays the status of the generation.

For information about RF record and playback systems and the components of this application, refer the white paper Introduction to RF Record and Playback.
Comments about the application are welcome on the RF Application Forum.
Visit the RF and Wireless Test Home Page for more information.