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Re: [Electronics_101] any ideas?

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  • chuck napper
    thanx for the help - National Semiconductor has a great site for this! ... __________________________________________________ Do You Yahoo!? Yahoo! Finance -
    Message 1 of 3 , Aug 28, 2002
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      thanx for the help - National Semiconductor has a
      great site for this!


      --- Robert Graf <r_graf@...> wrote:
      >
      > On Wed, 28 Aug 2002 17:56:08 -0000 "cybrgigolo"
      > <cybrgigolo@...>
      > writes:
      > > Hey All!
      > >
      > > lookin for a schematic for a simple single stage
      > amplifier circuit.
      > >
      > > kind of like a battery operated circuit to go from
      > a mic level to
      > > something a little more audible. Doesnt have to be
      > anything fancy -
      > >
      > > would settle for like the schematic from the radio
      > shack kit catalo
      > >
      > > that comes from there 150 in 1 project box. If
      > anyone has an idea on
      > >
      > > this or knows where I can obtain schematics for
      > something like this
      > >
      > > please let me know?
      > >
      > > thanx
      > >
      > >
      > What will this circuit drive? If you aren't
      > expecting to drive a speaker,
      > but the load will at least be 20k or so, do a search
      > for LPB-10
      > Schematic. The LPB-10 was a little linear amplifier
      > made by
      > Electro-Harmonix to boost a guitar signal. It used a
      > single 9v battery
      > and used a single bjt, 4 resistors, a pot and a
      > couple of caps. If you
      > are going to try to drive a speaker, there's a
      > single IC power amp whose
      > number escapes me at the moment, but it's made by
      > National Semiconductor.
      >
      >
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