Dave,
Finally made it on the reflector!
One suggestion might be to use a stereo connector on the mic "in and out"
because some radios (like the old 930's) need an isolated ground.
Also you might specify how many connectors for each function like "(2) audio
in, (1) headphone audio out"
Mike W9RE
> -----Original Message-----
> From: owner-na-user@contesting.com
> [mailto:owner-na-user@contesting.com]On Behalf Of Larry Crim
> Sent: Tuesday, August 08, 2000 9:13 PM
> To: k8cc; David Robbins; na-user@contesting.com
> Subject: Re: [na-user] Re: [CQ-Contest] so2r switch box
>
>
>
>
> >I know WX0B is planning to offer a SO2R box. Although he claims NA
> >compatibility, I've not seen any details. Its likely this will be an
> >expensive box - not that Jay is a crook, its just that low volume niche
> >products like this are expensive to make. While building your own takes
> >time, there might be a lot of $$$ to save
>
>
> I'm just glad that someone stepped up to plate and finally did
> it. I think
> there *is* a market for this device. Perhaps, yes, not a huge
> money-maker...But I, for one (as I've told before you Dave, when you were
> here at this QTH) would be happy to pay the bucks to save the time.
>
> And if Jay incorporates both a voice keyer and CW
> interface...what a hit!
>
>
> 73,
> Larry K4AB
>
> -----Original Message-----
> From: k8cc <k8cc@mediaone.net>
> To: David Robbins <k1ttt@berkshire.net>; na-user@contesting.com
> <na-user@contesting.com>
To: <na-user@contesting.com>
> Date: Tuesday, August 08, 2000 19:54
> Subject: [na-user] Re: [CQ-Contest] so2r switch box
>
>
> >
> >At 08:57 PM 8/7/00 +0100, David Robbins wrote:
> >>does anyone make a so2r switch box like the schematic in the back of the
> >>NA user
> >>manual?
> >
> >Dave,
> >
> >There are plans afoot to be able to offer a bare PCB for the NA SO2R box.
> >
> >Long time readers of this reflector will scoff at this, because I've been
> >saying this for over a year. We had a small run (5 pieces) of
> boards back
> >in 1997 which wound up going to W4AN, K3MM, N4AR, K9TM and K8CC (now at
> >W8MJ). The board worked perfectly - as W4AN said "You can't tell its in
> >the line on your SSB signal". However, it used chassis-mounted
> connectors
> >which made for a lot of hand-wiring. One goal of the new design
> is to use
> >all PC-mount connectors which will speed up assembly time.
> >
> >K9TM and I have been brainstorming the new configuration, and have a new
> >configuration going on paper. Here are connectors we're thinking of:
> >
> >Function Connector
> >----------------------------------- ---------------
> >Radio audio in, headphone audio out 1/8 mini stereo
> >Radio PTT out, PTT in RCA phono
> >Radio mic out, mic in 1/8 mini mono
> >Radio key out, key in RCA phono
> >Paddle in 1/4 stereo
> >LPT in ribbon cable to DB-25
> >
> >If anyone has any suggestions, now is the time. Since I gave away my
> >original box, I now have new impetus to make this project happen
> before the
> >fall.
> >
> >I know WX0B is planning to offer a SO2R box. Although he claims NA
> >compatibility, I've not seen any details. Its likely this will be an
> >expensive box - not that Jay is a crook, its just that low volume niche
> >products like this are expensive to make. While building your own takes
> >time, there might be a lot of $$$ to save.
> >
> >73,
> >
> >
> >Dave Pruett, K8CC
> >DATOM Engineering
> >datom@contesting.com
> >http://datom.contesting.com
> >
> >
> >--
> >Submissions: na-user@contesting.com
> >Administrative requests: na-user-REQUEST@contesting.com
> >WWW: http://datom.contesting.com/
> >Questions: owner-na-user@contesting.com
> >
>
>
>
>
> --
> Submissions: na-user@contesting.com
> Administrative requests: na-user-REQUEST@contesting.com
> WWW: http://datom.contesting.com/
> Questions: owner-na-user@contesting.com
>
>
--
Submissions: na-user@contesting.com
Administrative requests: na-user-REQUEST@contesting.com
WWW: http://datom.contesting.com/
Questions: owner-na-user@contesting.com
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