[hpsdr] Atlas orientation in Pandora...

Mon Mar 16 08:12:04 PDT 2009

I'm not quite sure what you're driving at.

Pandora is designed for all connectors on the boards and on Alex to be 
accessible from the back of the case.

In case it wasn't clear, Alex mounts with its connectors sticking out 
the back of the box, so you can easily make the interconnections between 
Merc, Penny, and Alex from the outside.  The only internal cabling is 
the Alex controller cable.

We will have some extra holes drilled to allow you to route lines from, 
e.g., a Pennywhistle mounted inside, back to the rear panel.  Current 
thinking is to provide two holes above the Alex connectors for amplifier 
in/out.

There will also be some holes in the front of the case for mic, 
headphone, etc., connections if you want to install those.  (All these 
extra holes will be either 7/32 or 1/4 inch, haven't finalized that yet, 
with the idea that users can then drill them out to whatever size their 
chosen connector requires.)

We envisioned two classes of users:

(a) operators, who probably want all the cabling at the back of the box, 
and who would mount mic/headphone/key connectors on the front panel and 
route them to the rear.  That gives a nice finished looking project on 
the front.  (And, by the way, for SDR-1000 users, the footprint is such 
that the SDR-1000 can sit on top of Pandora.)

(b) experimenters, for whom the back panel is really the front.  They'll 
turn the box around and have all the connectors facing forward for easy 
access.

Reversing Atlas so the boards pointed in would have required a totally 
different enclosure design, and probably a larger box to make room for 
all the cabling.  That just wasn't what we had in mind for the project.

John
----
Mike Stevenson wrote:
> ***** High Performance Software Defined Radio Discussion List *****
> 
> I agree. I do not see how all this connects up in practice.
> 
> Mike G8ALS
> 
> 
> ----- Original Message ----- From: <Thompson_Peter at emc.com>
> To: <hpsdr at hpsdr.org>
> Sent: Monday, March 16, 2009 2:26 PM
> Subject: [hpsdr] Atlas orientation in Pandora...
> 
> 
>> ***** High Performance Software Defined Radio Discussion List *****
>>
>> If I'm right in thinking that Pandora will have sufficient internal
>> space to accommodate Alex and PennyWhistle (or perhaps even a more
>> powerful/larger PA) might it not make more sense to orient Alex such
>> that the connectors (BNC, etc) on the edges of Mercury, Penelope are on
>> the inside rather than sticking out the back of the cabinet - since
>> they're almost certainly going to be routed to the additional hardware
>> such as Alex, and Alex's connectors will be the point of connection for
>> antennas.  Maybe there should be provision for access to Alex from the
>> back panel?
>>
>> Pete, N3EVL
>>
>>> -----Original Message-----
>>> From: hpsdr-bounces at lists.hpsdr.org [mailto:hpsdr-
>>> bounces at lists.hpsdr.org] On Behalf Of John Ackermann N8UR
>>> Sent: Monday, March 16, 2009 9:40 AM
>>> To: HPSDR Reflector
>>> Subject: [hpsdr] [Fwd: HPSDR Announcement: Pandora Enclosure Interest
>>> List]
>>>
>>> ***** High Performance Software Defined Radio Discussion List *****
>>>
>>> Reminder -- just one more day to sign up for the Pandora interest
>> list!
>>>
>>> John
>>>
>>> -------- Original Message --------
>>> Subject: HPSDR Announcement: Pandora Enclosure Interest List
>>> Date: Tue, 03 Mar 2009 21:59:15 -0500
>>> From: John Ackermann N8UR <jra at febo.com>
>>> To: lpu-announce at tapr.org, tapr-announce at tapr.org
>>>
>>> *** TAPR ANNOUNCES NEW HPSDR ENCLOSURE***
>>> High Performance Software Defined Radio Project (HPSDR)
>>> *IMPORTANT*
>>>
>>> 3 March 2009
>>>
>>> TAPR and HPSDR need your input on the Pandora enclosure for Atlas and
>>> related HPSDR projects!
>>>
>>> Pandora is a professionally manufactured painted aluminum case that
>>> will
>>> hold Atlas and attached boards, the LPU power supply, and the Alex
>>> filter set, with room left over for other goodies.  It includes
>>> numerous
>>> ventilation slots and has provision for a cooling fan.
>>>
>>> Design work is finished, prototypes are being fabricated as I type
>>> this,
>>> and we hope to start delivery in May/June 2009.  If we can do 500
>>> units,
>>> we estimate the price to be $99 for TAPR members and $109 for
>>> non-members (plus shipping).
>>>
>>> More information about Pandora, including some CAD renderings, is
>>> available at http://hpsdr.org/wiki/index.php?title=PANDORA
>>>
>>> Please go to the link below and indicate your interest by March 17th,
>>> 2009.  Enclosure quantities will be determined by the collective
>>> expression of interest on this date.  (We anticipate starting the
>> order
>>> process not long after the interest list closes.)
>>>
>>> To register your interest you need to go to Dale's (WA8SRA) HAMSDR
>>> website, in the projects section.
>>>
>>> If you are a member and have previously expressed interest in these
>>> projects, log in and re-enter your Quantities of each board.
>>>
>>> If you are new to HPSDR and Dale's Website, please join for instant
>>> access by providing the information requested.
>>>
>>> Go NOW to: HTTP://www.hamsdr.com
>>>
>>> Login and go to Projects > TAPR-HPSDR and follow instructions provided
>>> on that page.
>>>
>>> What is HPSDR?    http://hpsdr.org
>>> What is Pandora?    http://hpsdr.org/wiki/index.php?title=PANDORA
>>>
>>> There are many other HPSDR projects in design and testing; please see
>>> the HPSDR.org website for details.
>>>
>>>
>>>
>>> _______________________________________________
>>> HPSDR Discussion List
>>> To post msg: hpsdr at hpsdr.org
>>> Subscription help: http://lists.hpsdr.org/listinfo.cgi/hpsdr-hpsdr.org
>>> HPSDR web page: http://hpsdr.org
>>> Archives: http://lists.hpsdr.org/pipermail/hpsdr-hpsdr.org/
>>
>> _______________________________________________
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>>
> 
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