5.
Click the Run button ( ) to initiate waveform generation.
The FGEN SFP default settings instruct the signal generator to generate a continuous sine wave at a
frequency of 1 MHz, with a peak-to-peak amplitude of 1 V into a 50 Ω load, and no offset. The FGEN
SFP Help includes more information about the FGEN SFP.
Generating an Arbitrary Waveform
To generate an arbitrary waveform using the FGEN Soft Front Panel, complete the following steps:
Note NI 5402/5404/5406 devices do not support arbitrary waveform generation.
1. Launch the FGEN SFP from Start»All Programs»National Instruments»NI-FGEN»FGEN Soft
Front Panel.
2. Verify that the device you installed appears on the FGEN SFP display. You can choose a different
signal generator by navigating to Edit»Device Conguration to launch the device conguration
dialog box and selecting a device from the Device list.
3. (NI 5450/5451 only) Select a channel from the Channel list where you want the waveform
congured. When using the NI 5450/5451 to generate waveforms on multiple channels, perform
steps 4 through 8 to load a waveform on to each channel on which you want to generate.
4.
Click the Single Arbitrary Waveform Mode button ( ) to congure your device for arbitrary
waveform generation.
5.
Click the Download Waveform button ( ) to download a waveform to the device onboard
memory.
6. Select Load Waveform from disk. The Select File dialog box opens and displays waveform
example les. You also can download a waveform by selecting File»Load New Waveform. For
the installation location of the example waveforms, refer to the NI-FGEN Instrument Driver Readme.
7. Select a waveform such as arbMode-sine.lvm and click OK. The File Load dialog box
and Waveform Preview window launch. You can close or minimize the Waveform Preview window.
8. In the File Load dialog box, select one of the following settings from the Waveform drop-down
listbox:
• NI 5412—sine, 16MHz@40MS/s
• All other signal generators—sine, 40MHz@100MS/s
9. Click OK.
10. Click the Run button to initiate waveform generation. To optimize the sine wave shape, select
Edit»Device Conguration, and change the lter settings.
The FGEN SFP default settings instruct the arbitrary waveform generator to generate a continuous sine
wave, with a peak-to-peak amplitude of 1 V into a 50 Ω load, and no offset. The FGEN SFP Help
includes more information about the FGEN SFP.
Tip You can use the NI Analog Waveform Editor to create arbitrary waveform les.
Generating Waveforms Programmatically
You can control your signal generator programmatically with an ADE using the supplied NI-FGEN
Interchangeable Virtual Instrument (IVI) driver. You also can run the NI-FGEN examples to demonstrate
the functionality of your device.
NI Signal Generators Getting Started Guide 12 ni.com
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