Re: [Discuss-gnuradio] Float version of the Frequency Xiating FIR Filter?

[Marcus D. Leech]

On 01/29/2014 07:24 PM, Jordan Johnson wrote:

I am attempting to translate a 20khz DRM signal from its default spot of 10khz, to 120khz. The Frequency Xiating FIR does this just fine but it also decimates the signal--which I do not want. I want to pass the float input as a float until the final stage at the BlaeRF as my FM transmitter is an all-float operation as well. Altering the signal at all results in ruining reception of said signal. (I also like keeping constant sample-rates throughout the graph).

Is there another way to translate frequency in GRC outside of the all-in-one filter?

Thank you. 

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YOu don't *need* to decimate on that filter at all.  And, I think that you're confused about what decimation means.  It has nothing to do with
  data formats.  It has to do with sample-rates.

-- 
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org