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Re: K3 Caution when using an external monaural speaker

Posted by David Pratt on Jan 15, 2009; 8:15am
URL: http://elecraft.85.s1.nabble.com/K3-Caution-when-using-an-external-monaural-speaker-tp1680829p2161333.html

In a recent message, Ron D'Eau Claire <[hidden email]> wrote ...
>The version shown in the app note mimics what Aptos is doing as they modify
>the boards in inventory. The resistors are in the same place electrically,
>but they chose to put them on the main KIO3 board instead.

Thank you, Ron, for your explanation. I have carried out the mod as in
the App note.  I was particularly puzzled by the resistor across pins 29
(TXD) & 35 of P76 which appears to put the resistor between pin 14 of U1
and ground. I had difficulty in relating this to the original note.

73
--
David G4DMP
Leeds, England, UK
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