Hi Ludovico,
On Thu, 2019-09-12 at 12:11 -0700, Ludovico Cavedon wrote:
> Hi Marcus,
>
> Thank you for your reply. The Frequency Xlating FIR filter should be
> already doing the decimation to being samp_rate down to 48k.
Not really – it does a decimation by a factor of 20, whiche means your
1 MS
Hi Marcus,
Thank you for your reply. The Frequency Xlating FIR filter should be
already doing the decimation to being samp_rate down to 48k.
However I found out that formula for the Quadrature Demod gain was using
samp_rate instead of audio_rate (48k) and the gain was excessively high.
Having fixe
Hi Ludovico,
you're definitely missing some resampling in there!
Best regards,
Marcus
On Wed, 2019-09-11 at 13:25 -0700, Ludovico Cavedon wrote:
> Hi,
>
> I am having hard time figuring out what I am doing wrong here.
> If I use a NBFM Receive block, it works well, I hear the NOAA
> transmiss