[hpsdr] Frequency offset using Excalibur

[Graham / KE9H]

> On 12/9/2012 5:09 AM, Graham / KE9H wrote:
>
>> /PowerSDR itself, as used with Flex radios, and as it was used with Mercury/Ozy,
>> does not contribute to frequency error. It gets a packet of data, and returns a packet of
>> processed data. As long as the packets are sent and received in time with the
>> clock domain in the radio, and you are getting your receive audio through the
>> speaker/headphone jack on the radio, you should not see any errors from PowerSDR.
>> /
>
> I suppose that in PowerSDR there is, as in any other SDR program, an 
> NCO used to bring to zero IF the
> frequency of interest. So, at least theoretically, an error in the 
> computations of that NCO could cause
> a tuning error.
>
> Just a speculation. I don't have PowerSDR and I am not speaking from 
> experience on it.
>
> -- 
> /*73 Alberto I2PHD*/
>
Yes, all things are possible when software "bugs" are present.

:-)

--- Graham

==
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