[time-nuts] Ublox 8T

[paul swed]

Bob oh the ole dead bug is absolutely an option. Don't need LNA power so
that makes everything even easier. I think there are numbers of grounds.
But was hoping for a nice little PCB. Was going to buy several of the units
but by the time on the same day I went to order magically they went up $5
each. I did submit a offer that was rejected. Oh well.
Not that I needed 10 units. :-)
Ones good enough.
Regards
Paul

On Thu, Dec 10, 2020 at 7:10 PM Bob kb8tq <kb8tq at n1k.org> wrote:

> HI
>
> In a “typical” use case ( it’s TimeNuts … typical ????? ) there are a lot
> of the
> pads on the part that simply hang loose. More or less, power / antenna /
> serial
> and you are good go go. The other 80% or so of the pads can just hang
> open.
> You *could* dead bug the thing ….
>
> Bob
>
> > On Dec 10, 2020, at 5:16 PM, paul swed <paulswedb at gmail.com> wrote:
> >
> > Hello to the group and it sounds like someone could create some empty
> > boards.
> > But I am curious. I looked at Allibaba and see that ublox NEO6 boards are
> > available for little cost. Have not looked at the pinouts of the 8T to
> > compare but might it be a case of removing a neo6 and replacing it with a
> > 8T?
> > I have an 8T on order so one way or another will need to do something.
> > Regards
> > Paul
> > WB8TSL
> >
> > On Thu, Dec 10, 2020 at 10:31 AM Bob kb8tq <kb8tq at n1k.org> wrote:
> >
> >> Hi
> >>
> >> I’ve looked at several “you supply the components” outfits. Each time
> I’ve
> >> dug into it,
> >> the mechanics of supplying an adequate number of parts has been pretty
> >> daunting.
> >> None of the things I do is very “high volume” ( 10 is a lot of boards
> for
> >> me ).
> >>
> >> Bob
> >>
> >>> On Dec 10, 2020, at 9:21 AM, Mark Goldberg <marklgoldberg at gmail.com>
> >> wrote:
> >>>
> >>> If you have some volume, consider Small Batch Assembly:
> >>>
> >>> https://www.smallbatchassembly.com/
> >>>
> >>> They are not as cheap as the Chinese suppliers, but you can provide
> >>> your own components, and it is run by a very helpful gentleman in the
> >>> Washington DC area. I got the bare boards from OshPark and you can
> >>> order your components from distributors and send them directly to
> >>> Small Batch. I preferred using my own parts from known sources, but
> >>> they have a stock of components also.
> >>>
> >>> Regards,
> >>>
> >>> Mark
> >>>
> >>> On Thu, Dec 10, 2020 at 6:43 AM Bob kb8tq <kb8tq at n1k.org> wrote:
> >>>>
> >>>> Hi
> >>>>
> >>>> If you have a board with many dozens of passive parts on it and
> >>>> four or five IC’s getting all those passives down on the board *is*
> >>>> very useful. Their price on typical passive parts is low enough that
> >>>> the delivered cost is still very close to a bare board.
> >>>>
> >>>> If you do use odd IC’s you have to move quick. Get the board(s) laid
> >>>> out and into them fast. Accept that you may not be in stock next week.
> >>>> For things like three terminal regulators or run of the mill digital
> >> stuff, they
> >>>> seem to maintain a pretty good inventory. Yes, it will be in “their”
> >> favorite
> >>>> package ….
> >>>>
> >>>> Bob
> >>>>
> >>>>> On Dec 10, 2020, at 2:48 AM, Matthias Welwarsky <
> >> time-nuts at welwarsky.de> wrote:
> >>>>>
> >>>>> On Mittwoch, 9. Dezember 2020 23:58:51 CET Bob kb8tq wrote:
> >>>>>> One note: JLPCB is the only “fab + assembly” outfit I’ve tried.
> Their
> >> boards
> >>>>>> are no better / no worse than a lot of other board fab outfits. I
> >> have no
> >>>>>> idea how they compare to other assembly houses. My selection
> >> criteria: “
> >>>>>> are they the cheapest I can find?”
> >>>>>
> >>>>> Currently, you will not find any other fab+assembly service that is
> as
> >> cheap
> >>>>> and requiring (almost) no human intervention. For protoype runs with
> >> two to
> >>>>> five boards assembled there is no competition. I'd say even for 50
> >> boards
> >>>>> there isn't.
> >>>>>
> >>>>> The JLCPCB PCBs are ok, the biggest letdown is the solder mask. It's
> >> just
> >>>>> plain bad. It flakes off on the tiniest rub with a hot iron.
> >>>>>
> >>>>> The biggest obstacle for sure is the limited parts catalog. They have
> >> a decent
> >>>>> assortment of passives but almost all active parts come from the
> >> "extended"
> >>>>> listing (extra cost, 10 uniques only) and they may not stock the
> >> footprint you
> >>>>> want to use, and the wildly fluctuating inventory.
> >>>>>
> >>>>> I'm treating them mainly as a layer of convenience. I let them place
> >> all the
> >>>>> boring passives and maybe a few common actives, but I don't go out of
> >> my way
> >>>>> to design along their catalog only, knowing that they might not have
> >> stock of
> >>>>> all the parts anyway when I order the boards.
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> _______________________________________________
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> >>>>
> >>>>
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