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R: [perseus_SDR] Re: usb power

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  • Giorgio Barinetti
    Hi all the group. This is not exact, some ports can handle up to 2Amp. Just have a look at you laptop’s spec sheet. Have a nice day. IZ2JGB Giorgio. Da:
    Message 1 of 6 , Dec 6, 2012
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      Hi all the group.

       

      This is not exact, some ports can handle up to 2Amp. Just have a look at you laptop’s spec sheet.

       

      Have a nice day.

       

      IZ2JGB

      Giorgio.

       

      Da: perseus_SDR@yahoogroups.com [mailto:perseus_SDR@yahoogroups.com] Per conto di bjarnemjelde
      Inviato: giovedì 6 dicembre 2012 11.34
      A: perseus_SDR@yahoogroups.com
      Oggetto: [perseus_SDR] Re: usb power

       

       

      The USB 2.0 threshold is 500 mA. If available, you could try a USB 3.0 port since its threshold is supposed to be 900 mA. Mind you, I haven't tested this, nor do I know of any who have. Caveat emptor and all that.

      Bjarne Mjelde
      Kongsfjord, Arctic Norway

      --- In perseus_SDR@yahoogroups.com, Werner Karn <werner.karn@...> wrote:
      >
      > Bill,
      >
      > there are a couple of threads in this forum addressing this topic.
      >
      > The basic message is: yes, that is possible but you should use a USB Y (
      > dual ) cable as Perseus power requirement is around 800mA and some USB port
      > specs are 500mA only.
      >
      > I'm using such a configuration sometimes without any problems.
      >
      > Regards
      >
      > Werner
      >
      >
      >
      >
      > 2012/12/5 Bill Riches <bill.riches@...>
      >
      > > **
      > >
      > >
      > > Any ideas on powering perseus from laptop usb port?****
      > >
      > > ** **
      > >
      > > 73, Bill, WA2DVU****
      > >
      > > Cape May****
      > >
      > >
      > >
      >


      Nessun virus nel messaggio.
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      Versione: 2012.0.2221 / Database dei virus: 2634/5439 - Data di rilascio: 05/12/2012

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