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RE: newbie help.

They sell many things if you just email them, as opposed to the web store.

The PT6302 requires 9-30v so if you use camcorder batteries you need one
set in series and you are generating 5v in the end. This is made by TI.

You can use Datel converter UNS-5/3-D12(D) which takes 6-16.5v input and
outputs 5v. so you should be able to power with just one battery at a
time.

both do 3A at 5V. I believe that the Charmed systems use the Datel, but
many use the TI. You can get free samples of the TI $15.95 part if you
ask.. which is nice.. Datel can sell you the parts directly for about $30.
Digikey has the TI but not the Datel.

Bryan

On Mon, 10 Feb 2003, Rick Jones wrote:

>  --- Jeremy <> wrote: > Rick and
> Russell,
> >
> > thanks for the quick responses.
> >
> > they don't seem to list the 5822 on their site:
> >
> http://www.advantech.com/estore/products/model.asp?Category_ID=
> >
> > would the 300 mhz 5820 work? Version 1.0 is going to
> > be the economy
> > model. so I am looking for something that is
> > cheaper, but not cheap
> > if you get my drift.
>
> If the TV out isn't important to you this may be fine.
>  I would recommend calling them for the price of the
> 5822 if you were to order over the phone.  I've
> noticed their complete selection is not available from
> their web store.
>
>
>
> > I will definately need some guided direction on the
> > power supply issue
> > I can solder, but electronics is not my strong
> > point. I took a course
> > in basic electricity once so... I familiar with the
> > concepts, but no
> > expert.
>
> On the PT6302 5V switching regulator - it's pretty
> easy to set up.  There are 12 pins.  Pin 1 is for a
> switch - which I personally do not use.  Pins 2-4
> treat as a single pin and connect together - they are
> where the input voltage goes according to the specs
> 9-38V.  Pins 5-8 go to ground or negative of your
> input voltage.  Pins 9-11 are your output voltage (5V)
> to the computer.  Since it automatically operates at
> 5V - you don't need pin 12 to tweak the voltage.
>
> There are 2 capacitors that are needed :
> 1 ) 1 microFarad  between the voltage in and ground
> 2) Also a 100 microFarad electrolytic goes between the
> output voltage and ground.
>
> The capacitors are for stabilizing the the power.
> Fairly simple.
>
>
> > I also want to hook my GPS up via serial port. I
> > would like to use it
> > while hiking to take trail notes and write reviews
> > for my (forth coming)
> > hiking website. I am also interested in finding some
> > GPS / Navivation
> > software, but I am not sure how all that will
> > translate on a greyscale
> > display.
>
> Which GPS are you using?  I have a couple projects
> ahead of it - but I plan on hooking my etrex up to it.
>
> Rick
>
> ______________________________________________________________________
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