[hpsdr] Sasquatch II

[Michael Kreeger]

Lyle,

Have you ever looked at the DDC offered by TI?  GC5016.  Attach that to a
DSP and you have a very low power SDR.

Michael N6TQZ


> On Tue, Dec 9, 2008 at 2:21 PM, Lyle Johnson <kk7p at wavecable.com> wrote:
>
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> Hello!
>>
>> I'm thinking of restarting the Sasquatch module.
>>
>> On the one hand, no one else has stepped up to do it after I pulled my
>> name from it about a year ago.
>>
>> On the other hand, I like embedded DSP, and I hate to see the HPSDR
>> project become PC-dependent.
>>
>> One candidate would be to simply make an ATLAS adapter for the
>> Beagleboard.  This opens the door to low cost, low power and a Linux
>> development environment. I really don't want this thread to devolve into "My
>> OS is better than yours' or "my philosophy about open source is purer than
>> yours."
>>
>> Another possibility is to use the OMAPL137 processor from TI.  Or skip the
>> ARM stuff completely and just use the TMS320C674x DSP.
>>
>> I've had some email exchanges with Bob and Frank, and they indicate they
>> would be supportive of such an effort in the context of porting dttsp to
>> this processor.
>>
>> But there is little point in doing it if there is little to no interest
>>  in it once all the hard work is done in the porting effort.
>>
>> I recognize one can buy small form factor motherboards these days for a
>> couple hundred dollars (+/- a hundred) and for those who are most
>> comfortable with using an embedded PC< this is an excellent way to go. No
>> ATLAS adapter in this case is needed since Ozy already provides a
>> USB-to-ATLAS interface for such motherboards.  At some level, Ozy also
>> provides this for an OMAP-class processor, but I'd like to eliminate the
>> need for Ozy for a self contained system.
>>
>> Lots of posts lately about how HPSDR things are not always as open as one
>> might wish.
>>
>> Sasquatch is open.
>>
>> Comments?
>>
>> 73,
>>
>> Lyle KK7P
>>
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>
>
>
> --
> Michael Kreeger
> Mobile: 425-445-2191
>



-- 
Michael Kreeger
Mobile: 425-445-2191
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