[Motorola] Pin-Out & Specs for HMN9083D Motorola mic?

Sat, 16 Feb 2002 08:59:58 -0600

it's been a while, but i seem to remember simply swapping elements, leaving 
everything intact....  as much as i hate to say it, i think there was some 
experimentation on it, and i dont recall everything we did.

73
Ken

At 09:00 AM 2/16/2002 -0500, you wrote:
>So you just eliminated the PCB compression circuit and wired the
>raw mic and speaker.  No compensating cap as is common?
>
>Was the element an electret that require some power or some
>other type?
>
>My preference is to try and preserve the internal circuitry, if
>possible, and handle the rewiring in the adapter -- not sure if
>that is practical, and without specs all-but-impossible.
>
>
>Thanks! doc
>
> > we rewired one down here, the mic WAS different than what the radio (a
> > yaesu VX5 in this case) normally used, this was worked around by replacing
> > the mic element with one we scrapped out of an old R$ speaker mic that had
> > a bad speaker.
> >
> > At 11:29 PM 2/15/2002 -0500, you wrote:
> > >I have no idea, that is the problem, I cannot find a shred of
> > >technical information about this mic anywhere.
> > >
> > >I can always compensate for the impedance but first I have
> > >to know what it is.
> > >
> > >Thanks! & 73, doc KD4E
> > >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > >
> > > > Isn't the impedance of the Motorola mic element different than that
>of,
> > >say
> > > > your yaesu or icom?
> > > >
> > > > At 10:58 PM 2/15/2002 -0500, you wrote:
> > > > >I've been trying to track down the pinout and specs for my
> > > > >HMN9083D Motorola spkr-mic -- thought it would be easy
> > > > >via the Internet but so far no luck.
> > > > >
> > > > >I'd like to wire two adapters, one for my Icom IC-W21AT
> > > > >HT and one for my FT-817.  I don't want to hack off the
> > > > >stock 5-pin Motorola plug if I can avoid that, and would
> > > > >still need the info anyhow!
> > > > >
> > > > >Anyone have the specs, circuit description, and/or pin-outs,
> > > > >please?
> > > > >
> > > > >Thanks! & 73, doc KD4E
> > > > >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > >
> > >
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> >
> >       //////////////////////////////////////////////////////
> >      //        Kenneth R. Cechura, KC9UMR                //
> >     //             [email protected]                     //
> >    //           President, W0EEE, 2002                 //
> >   // University of Missouri-Rolla Amateur Radio Club  //
> > //////////////////////////////////////////////////////
> >
> >
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>
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      //////////////////////////////////////////////////////
     //        Kenneth R. Cechura, KC9UMR                //
    //             [email protected]                     //
   //           President, W0EEE, 2002                 //
  // University of Missouri-Rolla Amateur Radio Club  //
//////////////////////////////////////////////////////