[Elecraft] A "nice-to-have" for the K1/K2...

Mon Nov 18 10:51:02 2002

Oops.. never mind... not enough pins available :(

Mike K5PU

----- Original Message -----
From: "Mike McCoy" <[email protected]>
To: "Peter Halpin" <[email protected]>; "Elecraft@Mailman. Qth. Net"
<[email protected]>
Sent: Monday, November 18, 2002 9:47 AM
Subject: Re: [Elecraft] A "nice-to-have" for the K1/K2...

> You know, (Doh!) your interface gave me an idea.
>
> I have a couple different mics I'd like to use with my K2, an Icom HM-36
> that requires the 5v and a Heil BM-10 boomset that I can wire like an Icom
> but it apparently doesn't like the 5 v and a Yaesu that requires a
> completely different header altogether.  However, it's just too 'painful'
to
> change the internal mic header plug everytime you want to simply change
> mics.
>
> I haven't looked for any potential routing problems but why couldn't you
> extend the mic configuration plug using ribbon cable (or multiconductor
> shielded wire) to a DB-9 mounted in one of the spare data connector holes
in
> the back of the K2. Thus you could easily access/change the internal mic
> configuration plug via different DB-9 'mic headers' configured for
different
> mics.
>
> Think there might be stray RF concerns?
>
> Mike K5PU
>
> ----- Original Message -----
> From: "Peter Halpin" <[email protected]>
> To: "Dan Presley" <[email protected]>; "Elecraft@Mailman. Qth. Net"
> <[email protected]>
> Sent: Monday, November 18, 2002 2:34 AM
> Subject: RE: [Elecraft] A "nice-to-have" for the K1/K2...
>
>
> > Hi all,
> >
> > Dan asked:
> >
> > >Hi Pete-can you share any info on this 'interface'? Thanks!
> >
> >
> > Easy! Look at
> >
> > http://www.elecraft.com/TechNotes/ea3blq/K2MIC_HEADER_MOD_eng.pdf
> >
> > and
> >
> > http://www.elecraft.com/TechNotes/ea3blq/k2_digital_interface_II.pdf
> >
> >
> > By the way, I may be on to a way to get a hi-z signal out from an
> unmodified
> > ("scratchy pot mod")K2 but I need to do some measuring first...
> >
> > 145, Pete  PE1MHO - G7ECN - M3ECN
> >
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