[Elecraft] K3 Caution when using an external monaural speaker
David Pratt
david at g4dmp.fsnet.co.uk
Thu Jan 15 03:15:29 EST 2009
In a recent message, Ron D'Eau Claire <ron at cobi.biz> 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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