[hpsdr] Mercury Receiver Board

Noel Welstead nwelstead at seti.org.au
Mon Jul 26 22:49:57 PDT 2010


Thanks Phil,
I think I have got it now.
Ok, now to get under way by joining TAPR and ordering the bits I need.
The KISS console is perfect for me :)
Thanks again Phil, I will keep you posted as to progress on my end.
Kind regards,
Noel Welstead


> Hi Noel,
>
> Yes, the work that is currently going on for multiple Mercury boards is
> using KISS Konsole
> <http://openhpsdr.org/wiki/index.php?title=KISS_Konsole>
> under Windows.
>
> The LPU is the linear power supply I mentioned.
>
> Phil...
>
>
>>
>> Hi Phil,
>> Yes, looks like a good addition to the line-up.
>> I guess I should join the TAPR group as well. There are a few
>> benefits there as well as getting the items a bit cheaper.
>> Can we run both mercury modules under the Windows platform?
>> Also is the LPU module the way to go with the 12volt input, or is this 
>> the
>> linear power supply you are referring to?
>> Regards Noel Welstead.
>>
>>> Hi Noel,
>>>
>>> You can purchase the boards from TAPR  (www.tapr.org).
>>>
>>> You can run the boards from a PC power supply,  you just need to be sure
>>> you have a good one that does not inject noise from the switching into
>>> the
>>> receiver signals.
>>>
>>> An alternative is the linear power supply that TAPR sells which also
>>> plugs
>>> directly into the ATX connector on the Atlas bus. In which case you
>>> trade
>>> noise <> heat.
>>>
>>> Note that the Atlas bus is supplied as a kit whilst the other boards are
>>> available already assembled.
>>>
>>> There is also a  board (Excalibur) that enables an external 10MHz
>>> reference to be injected into the Atlas bus for use by the various
>>> boards.
>>>
>>> 73's Phil...VK6APH
>>>
>>>
>>>
>>>> Hi Phil,
>>>> That's very encouraging. I have just received (today) a rubidium time
>>>> standard (10 mhz) for this project. Where is the best place to source
>>>> these boards (fully assembled) as I will get things underway ASAP.
>>>> I noticed a picture on the Winrad web site that shows what appears to
>>>> be
>>>> a
>>>> PC
>>>> power supply hooked up to the Atlas backplane (without LPU), so is the
>>>> system
>>>> able to be powered in this way? link(
>>>> http://www.sdrham.com/winrad/index.html )
>>>> Sorry for all the questions but once I get underway I hope to be able
>>>> to
>>>> feed
>>>> info back to group and become a resource.
>>>> Thanks again.
>>>> regards Noel Welstead.
>>>>
>>>>
>>>>> Hi Noel,
>>>>>
>>>>> Yes, it is possible to have multiple Mercury boards on the one Atlas
>>>>> bus.
>>>>>
>>>>> One of our members has two boards currently working. He has modified
>>>>> the
>>>>> PC KISS Konsole software so that each receiver can operate
>>>>> independently.
>>>>>
>>>>> Both receivers are phase locked to a common 10MHz reference and also
>>>>> time
>>>>> referenced so that samples from each Mercury board start at the same
>>>>> time
>>>>> instance.
>>>>>
>>>>> Still early days and we can expect a more detailed progress report
>>>>> shortly.
>>>>>
>>>>> You can expect that some assembly (or C/C++/C#) will be required.
>>>>>
>>>>> 73's Phil..VK6APH
>>>>>
>>>>>
>>>>>
>>>>>> ***** High Performance Software Defined Radio Discussion List *****
>>>>>>
>>>>>> Hi List,
>>>>>> I am new to this group and am interested in setting up a receiver
>>>>>> system
>>>>>> using
>>>>>> the Atlas, Mercury,Magister and LPU units.
>>>>>> My questions are -
>>>>>> Is it possible to have two mercury boards installed in the Atlas
>>>>>> backplane.
>>>>>> Can the software see the two receivers as separate entities? and
>>>>>> display
>>>>>> the spectrum from each receiver?
>>>>>> I would like to build two of these systems in this configuration to
>>>>>> work
>>>>>> on a radio
>>>>>> telescope project I am working on.
>>>>>> Thanks very much, your help would be appreciated.
>>>>>> Noel C. Welstead
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>
>>
>>
>
>
> 


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