[hpsdr] [OZY-USB] REVXA.7 Design Files Posted for review

[Philip Covington]

Hi group,

I did a quick correction to some of the above mentioned problems and
have reposted the files (still) as REVXA.7 - you may need to refresh
your browser or PDF viewer to get the latest:

<http://www.philcovington.com/HPSDR/OZY/REVXA.7/>

73 de Phil N8VB

On 6/8/06, Philip Covington <p.covington at gmail.com> wrote:
> Hi Lyle,
>
> On 6/8/06, Lyle Johnson <kk7p at wavecable.com> wrote:
> > Hello Phil!
> >
> > Looking better and better!
> >
> > As usual, some comments:
> >
> >
> > 1) Seem to have some narrow silk screen width at HDR1, HDR2, U12, circle
> > marking pin 1 at U12, (C) notice.
>
> Will look at those...
>
> > 2) After the connectors are installed, it may be difficult to discern
> > where pin 1 is on: HDR1, HDR2, J6, J17.
>
> Yep, you are right... will add pin 1 markings...
>
> > 3) Some of the jumpers, which I presume are to be handled with a blob of
> > solder, have traces between their pads that may not be fully protected
> > by soldermask due to the tight clearances involved: J14, J15, J16, J25, J30.
> >
> > 73,
>
> All of the original solder jumpers where changed to 0603 zero ohm
> jumpers.  Still might be a problem even using 0603 zero ohm resistors
> though...
>
> 73 de Phil N8VB
>

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