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NI Frequency Mask Trigger Host Example for the NI 5644R-45R by NI - Toolkit for LabVIEW Download

This example provides an NI 5644R-45R FPGA personality for performing frequency mask triggering. The frequency mask is definable at run-time.

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ReleasedMay 19, 2016
Publisher NI
License NI Sample Code License
LabVIEW VersionLabVIEW>=13.0
Operating System Windows
Project links


Required NI Software
NI LabVIEW 2013 or later
NI-RFSA 14.1
NI PXIe-5644R/5645R/5646R Instrument Design Libraries 14.0.0

Supported NI Hardware
NI PXIe-5644R
NI PXIe-5646R

The NI Frequency Mask Trigger example uses 50% overlapping, length 1024 FFTs to continuously convert IQ data to the spectral data on an NI 5644R or NI 5645R FPGA. The spectral data is compared against a 1024 element user-definted mask. When this maks is violated, a reference trigger is asserted which causes NI-RFSA to acquire an IQ record.

The 100% POI duration is no better than 20 us for any device configuration.

Release Notes (May 19, 2016) no release notes for this version

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