Thanks.

John

--- Jinx <joecolquitt@clear.net.nz> wrote:

> 
> > A darlington would suit better due to the
> > amplification characteristics. amplifying the
> current
> > of the output pin from a pic to drive the speaker.
> 
> Try this -
> 
> AB21A
> 
> Single Transistor 3V Speaker Driver for the ISD4000
> Series
> 
> This brief illustrates a simple single transistor
> amplifier that can drive a
> speaker
> 
>
http://www.winbond-usa.com/mambo/content/view/155/285/
> 
> 
> 
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