Re: [amsat-bb] Re: AO40Rcv and soundboards?

["Gregory Beat" <gregory.beat@xxxxxxxx>]

Ray -

There have been numerous articles in the magazines (QST) regarding
the isolation transformer and opto isolator approaches.

The best "build your own" solution that has a web site is
"Buck" Rogers, W4ABT's interface home page.

http://www.packetradio.com/psk31.htm

Choose your Radio, click on "View Drawing".  You get a nice schematic
(which you can print out) and parts list.
While Buck does sell a kit and offer assembled units for handicapped
amateurs,
I prefer the individual part procurement method, which he also sells.
Yes, you can buy just the PC board, transformer or enclosure.

Greg
w9gb

----- Original Message -----
From: <RMckni8527@aol.com>
To: <Jim.Walls@sce.com>
Cc: <amsat-bb@AMSAT.Org>
Sent: Wednesday, November 07, 2001 5:04 PM
Subject: Re: [amsat-bb] Re: AO40Rcv and soundboards?


> In a message dated 11/7/01 2:46:08 PM Pacific Standard Time,
> Jim.Walls@sce.com writes:
>
> >
> >  In other words, I highly recommend an audio isolation transformer
between
> >  your receiver and sound card.  If someone want the details of the
> >  transformer I used, just ask.  I'm at work and don't have the part
number
> >  with me.
>
> I'm asking!
>
> Thanks,
> Ray - WB3ABN
> Kingston, WA
> ----
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