[hpsdr] Atlas_Lite...

[Henry Vredegoor]

Hi All, Ahti, Barry, Tommy,

I think both solutions could be great!
Although the solution with modified connectors of Ozy/Janus of course has
it's limitations:

- Connector modified cards obviously will not fit in an Atlas backplane
anymore 
- Power supply connections, LED's, etc. have to be realized in other ways
- Is the spacing obtained in this way between cards enough wrt. component
height?
- Only for the bare-board people? Since removing the DIN connectors would be
difficult without damaging the board for a number of people without
appropriate (de-)soldering skills and -tools?

I think the two-slot Atlas version is a nice addition to the possibilities
and I can imagine that a number of people would be interested in this
solution.

I for one would like to have an "Atlas-2" if it provided the same quality
and functionality of the "Atlas-6" [(Power-)connections, LED's etc.)]

Henry.



> -----Original Message-----
> From: hpsdr-bounces at hpsdr.org 
> [mailto:hpsdr-bounces at hpsdr.org] On Behalf Of Ahti Aintila
> Sent: woensdag 14 maart 2007 14:34
> To: Hollingsworth, Tommy
> Cc: hpsdr at hpsdr.org
> Subject: Re: [hpsdr] Atlas_Lite...
> 
> 
> ***** High Performance Software Defined Radio Discussion List *****
> 
> Yes Tommy!
> 
> Planning to make the flattest possible "sound card", I ordered only
> one Atlas and two sets of Ozy/Janus. The flat one is for the SDR-1000
> and the other set with Atlas will be for HPSDR experiments.
> 
> 73, Ahti OH2RZ
> 
> On 14/03/07, Hollingsworth, Tommy 
> <TommyHollingsworth at tx.slr.com> wrote:
> > ***** High Performance Software Defined Radio Discussion List *****
> >
> >  Barry:
> > Did you realize that you can mount a vertical DIN connector 
> on the ozy
> > facing backwards and a vertical DIN connector on the Janus 
> facing forward
> > and connect the two boards with no Atlas at all.  I tried 
> it and it works!
> > The 3M Male DIN part number is DIN-96RPC-S1-TR+DIN/96P?    
> 30048011402872
> >
> > Before doing any soldering position the two connectors and 
> get the keying
> > correct.  Get it backwards and it will be hard to undo.  
> This will create a
> > non standard configuration but it will still plug into an 
> extender card.
> > Has anyone else tried this or just me?]
> > Tommy KE5LFR
> >
> > -----Original Message-----
> > From: hpsdr-bounces at hpsdr.org 
> [mailto:hpsdr-bounces at hpsdr.org] On Behalf Of
> > Barry Jablonski
> > Sent: Wednesday, March 14, 2007 1:27 AM
> > To: hpsdr at hpsdr.org
> > Subject: [hpsdr] Atlas_Lite...
> >
> > ***** High Performance Software Defined Radio Discussion List *****
> >
> > Hi Eric,
> >
> > I've been a lurker on this group for quite a while now.  
> After I saw some
> > comments on cutting the Atlas backplane at slot 2 to provide for an
> > interconnect for just a Janus/Ozy pair, I decided that 
> there was something
> > better.  I started with the free stuff (ExpressPCB, 
> PCB123...).  But they
> > all had limitations.  I decided to purchase a non-profit license for
> > DipTrace (4layers/1000pins).  I have taken Phil C's 
> excellent Atlas design
> > and have converted it to a 2 slot design, that may be of 
> interest to the
> > JANUS/OZY only folks.
> >
> > Is anyone interested?
> >
> > Barry
> > WB2ZXJ



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