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Re: [tracker2] Re: T2 will not connect to computer

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  • Scott Miller
    With the linear regulator, above about 6.8v the current draw is pretty much constant. The excess power is just dissipated as heat. Scott
    Message 1 of 7 , Sep 27, 2009
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      With the linear regulator, above about 6.8v the current draw is pretty
      much constant. The excess power is just dissipated as heat.

      Scott

      pruittn2 wrote:
      >
      >
      > --- In tracker2@yahoogroups.com <mailto:tracker2%40yahoogroups.com>,
      > James Ewen <ve6srv@...> wrote:
      > >
      > > On Thu, Sep 24, 2009 at 6:17 PM, pruittn2 <n5a12@...> wrote:
      > >
      > > > Never mind. I was going through the junk box and found a 12DC 400ma
      > > > wall wart. Plugged it in and the leds blinked. Connected to the
      > computer
      > > > and all is well. Although the label indicates 7 to 28 volts the 9
      > volt wall
      > > > wart wouldn't do the trick. Sorry for the QRM on the forum
      > >
      > > I bet if you tried 9 volts with 500 mA, that it would probably work.
      > > You have to provide enough power... a lower voltage will require more
      > > current than a higher voltage.
      > >
      > > James
      > > VE6SRV
      > >
      >
      > According to the specs on the website the T2 is rated for 6.5 to 28v and
      > 30ma max. Even if the 30ma was at 28v it shouldn't require more than
      > about 100ma at 9v.
      >
      > Neal - WD4LSS
      >
      >
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