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Document Type: Example Program
NI Supported: Yes
Publish Date: Sep 6, 2006

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Simple FFT Example using a Dynamic Signal Acquistion Board

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Filename: 4472_simple_fft.llb
Requirements: View

This example provides a simple GUI for showing a continuous power spectrum measurement. It uses FFT Block size and FFT Span as inputs, which are typical parameters for desktop spectrum analyzer devices. The code uses these parameters to calculate the more familiar (for DAQ users) hardware parameters: sample rate and input block size.

Set all front panel settings as desired. If you are performing measurements with an audio device or microphone, National Instruments recommends 10 kHz to 20 kHz baseband spans to generate an interesting display.

Requirements


Filename: 4472_simple_fft.llb

Software Requirements


Application Software: LabVIEW Full Development System 6.0
Language(s): LabVIEW

Hardware Requirements


Hardware Group: Dynamic Signal Analyzers (DSA)
Hardware Model: PXI-4472, PCI-4472, NI 4472 for IEEE 1394, PCI-4453, PCI-4451, PCI-4552, PCI-4454, PXI-4551, PXI-4552, PCI-4551, PCI-4452
Driver: Traditional NI-DAQ (Legacy) 6.9.0, Traditional NI-DAQ (Legacy) 6.9.0

 
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This example program (this "program") was developed by a National Instruments ("NI") Applications Engineer. Although technical support of this program may be made available by National Instruments, this program may not be completely tested and verified, and NI does not guarantee its quality in any way or that NI will continue to support this program with each new revision of related products and drivers. THIS EXAMPLE PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND SUBJECT TO CERTAIN RESTRICTIONS AS MORE SPECIFICALLY SET FORTH IN NI.COM'S TERMS OF USE (http://ni.com/legal/termsofuse/unitedstates/us/).