[Elecraft] KPA100 speaker connector / iPod keyer
Don Wilhelm
w3fpr at embarqmail.com
Tue Mar 23 23:35:51 EDT 2010
Mike,
I do not understand - the K2 speaker already has a disconnect, the
plug/header on the RF Board.
73,
Don W3FPR
Mike Markowski wrote:
> I've been meaning for a while to use some sort of plug on the KPA100
> speaker wire. I'd like to simply unplug it when necessary rather than
> unsolder. Can anyone recommend a small connector/plug, possibly even a
> Mouser or manufacturer part no.? I was thinking it might even be worth
> doing so that on my K1 I can plug/unplug the internal battery holder as
> desired.
>
> As an aside, I'm asking because I'm loading up on some more parts from
> Mouser or Digikey. My 13 year old son, Jonathan kb3rli, is a cw op but
> is also an avid iPod Touch user. He put iDitDahText on it so that he
> can web surf, text, email, all with cw input via an iambic keyer on the
> iPod screen. He wanted to pipe it into the rig's mic input to send
> modulated cw on SSB. Instead, I used it as a chance to teach him some
> electronics. We made a little 3-block diagram: amp, comparator, switch,
> and then I showed him how to use, respectively, an op amp, op amp, and
> npn transistor for each. So now the ipod keys the rig (no modulated cw)
> and he wants to solder it up and stuff it in, of course, an Altoids tin.
> He still likes a real key best, but it's a fun project & he loved using
> the oscilloscope. He was all smiles during qsos when he said "KEY IS
> IPOD". :-) Funny thing is that no one even asked more about it.
>
> Anyway, any inline speaker connector recommendations for the K2 are very
> welcome. Thanks!
>
> 73,
> Mike ab3ap
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