[hpsdr] Looking for guidance

[Erik Anderson]

Sounds about what I heard before, that the gigabyte ethernet would permit a
broader signal to be transmitted.

I want to be able to experiment with this radio, and that includes the
possibility of trying to transmit 8MHz-wide "audio data".

On Wed, Nov 10, 2010 at 5:07 PM, Phil Harman <phil at pharman.org> wrote:

> Hi Erik,
>
> >
> > I'm recently getting into this too, and one of the reasons I joined is so
> > that I would not have to hear transmitted signal be described as "audio
> > data".  I've already been told that the transmit bandwidth using Ozy is
> > ~150
> > KHz, will Metis permit a wider signal capability?
>
> I'm not sure I totally understand your question.  The data rate of the I
> and Q signals from the PC to Ozy/Magister/Metis is currently 48ksps.  That
> means the the maximum audio signal bandwidth can be 24kHz.
>
> By altering the parameters of the interpolating filters on Penelope you
> can increase the bandwidth of the transmitted signal. From memory the DUC
> has a 1dB point at 5kHz.
>
> You can increase the data rate up to the limits of the hardware (i.e. USB2
> or Gigabit), its just a S.M.O.P.  (Simple Mater Of Programming).
>
> Does that answer your question?
>
> 73 Phil...VK6APH
>
>
>
>
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