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Bandpass filter for 5641R

Hi, 

 

Need you help

I'm new to NI LabViw and FPGA. I had a project of using NI to do modulation.

I got a FPGA code for the modulation, however it generates a few harmonics very near to the centre frequency.

 

I tried to integrate a bandpass filter into the FPGA code by following the "Generating LabVIEW FPGA Code" tutorial, however it doesn't work.

I took the generated filter and integrated inside a VI which is within single-cycle Timed Loop of 2.5MHz.

 

Is there a step by step guide on how to create a filter for FPGA or any examples?

I found a lot of examples but not for FPGA code.

Or do you have any better solution to remove the harmonics?

 

I have:

1) PXIe-5641R (Take in a 9600kps TTL signal from DIO and modulate out 30MHz to CH0)

2) PXIe-6672 (Provide a 35MHz clock to 5641R)

3) Labview 2011

4) Digital Filter Design Toolkit

 

Thank you very much

 

 

 

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