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16901Re: [z_scale] Re: Poor performance (again ;-)

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  • bill.foote
    Oct 2, 2003
      FWIIW the forward voltage drop in a Silicon Diode (the most usually found
      type these days) is 0.7 volt (the now almost completely obsolete Germanium
      Diode has a smaller forward voltage drop)

      ----- Original Message -----
      From: "Bruce" <n1yn@...>
      To: <z_scale@yahoogroups.com>
      Sent: Thursday, October 02, 2003 6:14 PM
      Subject: [z_scale] Re: Poor performance (again ;-)
      > What I used to drop track starting voltage a bit was a two commonly
      > available 1 amp power supply type diodes (the little black ones with
      > a grey stripe at one end) connected in series with one of the power
      > supply wires, and another pair facing the opposite way in parallel
      > (must have one pair in each direction to allow power to flow both
      > ways for forward and reverse).
      > The voltage drop across many low power diodes like those often found
      > in the power supplies of small electronic devices is typicaly .3
      > to .5 volts, which makes them an ideal way to drop a little voltage
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