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Re: [KNSP] Re: TNC-X now has X-Digi available

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  • Mike Manes
    That almost TNC will probably work fine with 30 dB SNR packet sigs; it simply applies clipped receive audio to a comparator port (1-bit ADC). An external
    Message 1 of 1 , Sep 29, 2005
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      That "almost TNC" will probably work fine with >30 dB SNR packet
      sigs; it simply applies clipped receive audio to a comparator port
      (1-bit ADC). An external FSK demod would have been an immense
      improvement at negligible added cost, weight or power consumption.

      73 de Mike W5VSI

      bergweed wrote:
      >
      > Another PIC based "almost" TNC has been designed by Bob Ball WB8WGA
      > and was featured in ARRL's QEX magazine.
      >
      > http://www.n9cx.com/BobBall.htm
      >
      > 73's
      > Mike Berg N0QBH
      >
      > --- In KNSP@yahoogroups.com, n9xtn@c... wrote:
      > > I haven't read over all of the documentation on this yet, but it
      > could
      > > be an alternative to using a KPC-3 if you want an airborne
      > > digipeater. From the schematic it appears it could be powered by
      > > regulated 5V as-is or through the on-board 78L05 regulator. If
      > you're
      > > building it from a kit, you might want to replace the 78L05 with a
      > low-
      > > drop-out version.
      > >
      > > For home use, a USB option is available for those who'd rather not
      > > deal with a serial port converter.
      > >
      > > Is anyone out there doing KISS mode with a Basic Stamp? That's my
      > > next little project.
      > >
      > > 73 de Mark N9XTN
      > >
      > > ================
      > >
      > > Announcement:
      > >
      > > X-Digi is a daughter board for the TNC-X that is based on the
      > UIDigi
      > > firmware. It allows a TNC-X to become a stand alone digipeater.
      > It
      > > fully supports the WIDEn-N paradigm including UITrace and UIFlood
      > and
      > > also does user configurable dupe checking. It has extremely low
      > power
      > > consumption and is an ideal digipeater for use in emergency
      > > situations.
      > > It supports four independent beacons with separate user
      > configurable
      > > paths. The X-Digi configuration parameters can be set using a
      > > computer
      > > that runs any terminal program - even a Palm Pilot (though it is
      > not
      > > configurable over the air). X-Digi is field upgradable via a
      > computer
      > > serial port should firmware upgrades become available.
      > >
      > > More info is available at:
      > >
      > > www.tnc-x.com
      > >
      > > X-Digi is available now. Thanks for the bandwidth.
      > >
      > > John W2FS
      >
      >
      > List owner: KNSP-owner@yahoogroups.com
      > Group URL: http://groups.yahoo.com/group/KNSP
      > wner: KNSP-owner@yahoogroups.com
      > Group URL: http://groups.yahoo.com/group/KNSP
      >
      > Yahoo! Groups Links
      >
      >
      >
      >

      --
      Mike Manes manes@... Tel: 303-979-4899
      "Things should be made as simple as possible, but not more so." A.
      Einstein
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