[hpsdr] Mercury f and f+/- 48KHz

[Joe Martin K5SO]

Yep (blush), that fixed up my problem fine.  Now I recall you saying  
that to someone before but I was focused on another problem at the  
time so it didn't sink in properly.  Sorry.

FB rcvr!

Thanks and 73,  Joe K5SO



On Dec 28, 2008, at 3:31 PM, Bill Tracey wrote:

> Check your sampling rate.  Unless you're playing with Phil H's V2  
> Mercury code, make sure the sampling rate in Setup->Audio is set for  
> 192000.   The as shipped from TAPR boards have Mercury firmware that  
> only does 192000 sampling ... selecting anything else results in  
> aliasing.   The V2 Mercury code getting shaken out supports the  
> additional sampling rates.
>
> Cheers,
>
> Bill (kd5tfd)
>
>
> At 04:12 PM 12/28/2008, Joe Martin K5SO wrote:
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> The signal at frequency f on my Mercury receiver actually consists of
>> a combination of signals originating from f, f + 48KHz, and f - 48KHz
>> regardless of band selected.  Do I have a strange problem here or is
>> the design of Alex such that it should knock these f+/-48 KHz  
>> (alias?)
>> signals down substantially in later configurations?
>>
>> Joe K5SO
>
>


 1230504199.0