That seems to be a little bit better. Still causing overflow occasionally,
but I can work with it.
But still can't use the first low pass filter without overflow
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The first filter is a low pass filter connected to the RTL-SDR Source.
After this filter I demodulate the signal and compute the signal strenght
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Tried that, but still ocurring overflow.
Another thing I had was that on my computer I was using a
complex to mag^2 -> single pole IIR filter -> log10 -> multiply const (10)
to measure the signal strength
that is also causing overflow on the single board computer. If I put a RMS
block instead,
Sample rate -> 2M
cutoff -> 135k
transition width -> 10k
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I actually don't need to write to a file. I just did to test the hardware (I
thought writing to a file would be the most simple task).
What I really want to do is demodulate the signal and measure the signal
strength. That seems to be working fine (no overflows) as long as I don't
use a filter on
I tried what Vanush said and just connected RTL-SDR Source to a Null Sink and
got no overflows.
I'm using a class 10 sd card, that must be the problem.
I did some demodulation with no problem, but when I add a Low Pass Filter,
the overflow happens again.
Would the filter do the same thing as th
Hi Marcus, back to this discussion after a few tests.
I decided to try RTL-SDR and GNU Radio on a Single Board Computer.
I'm currently using the Banana Pi which is a ARM Cortex-A7 dual-core, 1GHz,
Mali400MP2 GPU, 1GB DDR3 DRAM, using a debian based system.
The first thing I tried was just a simp
Hi Marcos, thank you for your reply.
What would be the minimum required configuration for a computer to run
gnuradio without problems?
Regis
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Is gnuradio able to run on Ubuntu Touch?
I want to use my tablet with gnuradio and rtl-sdr. Do you guys think its
possible with Ubuntu Touch? Or there is another way to do it?
Thanks
Regis
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