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Re: Code Practice Oscillator circuit?

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  • gary_thorburn
    Thanks, Frank. This looks like a good candidate, I can probably put it together tonight. 73, Gary ... first ... scouts, it
    Message 1 of 3 , Nov 7, 2006
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      Thanks, Frank. This looks like a good candidate,
      I can probably put it together tonight.

      73, Gary

      --- In ScoutRadio@yahoogroups.com, "Frank Krizan" <frank.krizan@...>
      wrote:
      >
      > Hi Gary,
      >
      >
      >
      > I did a search on Google for "Morse Code oscillator circuit" and the
      first
      > hit was http://www.arrl.org/news/features/2003/10/30/1/ This is a
      > relatively simple circuit and sounds relatively good. For older
      scouts, it
      > could even be a construction project.
      >
      >
      >
      > 73, Frank KR1ZAN
      >
      > President, K2BSA Amateur Radio Association
      >
      >
      >
      >
      >
      > _____
      >
      > From: ScoutRadio@yahoogroups.com [mailto:ScoutRadio@yahoogroups.com] On
      > Behalf Of Gary W Thorburn
      > Sent: Tuesday, November 07, 2006 8:07 AM
      > To: ScoutRadio@yahoogroups.com
      > Subject: [ScoutRadio] Code Practice Oscillator circuit?
      >
      >
      >
      > I'm planning to do an introduction to Morse Code for some
      > scouts. I have a couple 555-timer chip based oscillators
      > we use, but I'd like to throw together something with a
      > cleaner tone. Anyone have a good simple circuit based on
      > one or two transistors that will drive a speaker to a low
      > but listenable level?
      >
      > ----------------------
      > Gary KD1TE
      > Troop 130
      > Maynard, Massachusetts
      > ----------------------
      >
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